Home / 28,791,094.02-39,731,712.72-15,738,406.11

Finding the Fourth Proportional to 28,791,094.02, 39,731,712.72 and 15,738,406.11

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Solution

The fourth proportional to 28,791,094.02, 39,731,712.72 and 15,738,406.11 is: 21,719,002.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,791,094.02 : 39,731,712.72 = 15,738,406.11 : x
  2. Step 2: Convert to fraction form
    28,791,094.02/39,731,712.72 = 15,738,406.11/x
  3. Step 3: Cross multiply
    28,791,094.02x = 39,731,712.72 × 15,738,406.11
  4. Step 4: Simplify right side
    28,791,094.02x = 625,313,830,233,212.62
  5. Step 5: Solve for x
    x = 625,313,830,233,212.62/28,791,094.02
  6. Step 6: Final answer
    x = 21,719,002.06

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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.