Home / 20,427,062.08-28,190,606.88-11,259,684.16

Finding the Fourth Proportional to 20,427,062.08, 28,190,606.88 and 11,259,684.16

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Solution

The fourth proportional to 20,427,062.08, 28,190,606.88 and 11,259,684.16 is: 15,539,059.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,427,062.08 : 28,190,606.88 = 11,259,684.16 : x
  2. Step 2: Convert to fraction form
    20,427,062.08/28,190,606.88 = 11,259,684.16/x
  3. Step 3: Cross multiply
    20,427,062.08x = 28,190,606.88 × 11,259,684.16
  4. Step 4: Simplify right side
    20,427,062.08x = 317,417,329,747,523
  5. Step 5: Solve for x
    x = 317,417,329,747,523/20,427,062.08
  6. Step 6: Final answer
    x = 15,539,059.34

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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.