Home / 21,038,670,053.01-29,033,380,326.15-11,393,474,893.66

Finding the Fourth Proportional to 21,038,670,053.01, 29,033,380,326.15 and 11,393,474,893.66

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Solution

The fourth proportional to 21,038,670,053.01, 29,033,380,326.15 and 11,393,474,893.66 is: 15,723,003,830.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,038,670,053.01 : 29,033,380,326.15 = 11,393,474,893.66 : x
  2. Step 2: Convert to fraction form
    21,038,670,053.01/29,033,380,326.15 = 11,393,474,893.66/x
  3. Step 3: Cross multiply
    21,038,670,053.01x = 29,033,380,326.15 × 11,393,474,893.66
  4. Step 4: Simplify right side
    21,038,670,053.01x = 330,791,089,824,049,397,760
  5. Step 5: Solve for x
    x = 330,791,089,824,049,397,760/21,038,670,053.01
  6. Step 6: Final answer
    x = 15,723,003,830.11

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.