Home / 21,361,016.85-29,478,293.56-11,571,461.02

Finding the Fourth Proportional to 21,361,016.85, 29,478,293.56 and 11,571,461.02

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Solution

The fourth proportional to 21,361,016.85, 29,478,293.56 and 11,571,461.02 is: 15,968,665.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,361,016.85 : 29,478,293.56 = 11,571,461.02 : x
  2. Step 2: Convert to fraction form
    21,361,016.85/29,478,293.56 = 11,571,461.02/x
  3. Step 3: Cross multiply
    21,361,016.85x = 29,478,293.56 × 11,571,461.02
  4. Step 4: Simplify right side
    21,361,016.85x = 341,106,924,865,657
  5. Step 5: Solve for x
    x = 341,106,924,865,657/21,361,016.85
  6. Step 6: Final answer
    x = 15,968,665.13

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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.