Home / 20,495,542.54-28,283,355.48-11,202,694.42

Finding the Fourth Proportional to 20,495,542.54, 28,283,355.48 and 11,202,694.42

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Solution

The fourth proportional to 20,495,542.54, 28,283,355.48 and 11,202,694.42 is: 15,459,448.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,495,542.54 : 28,283,355.48 = 11,202,694.42 : x
  2. Step 2: Convert to fraction form
    20,495,542.54/28,283,355.48 = 11,202,694.42/x
  3. Step 3: Cross multiply
    20,495,542.54x = 28,283,355.48 × 11,202,694.42
  4. Step 4: Simplify right side
    20,495,542.54x = 316,849,788,614,672.44
  5. Step 5: Solve for x
    x = 316,849,788,614,672.44/20,495,542.54
  6. Step 6: Final answer
    x = 15,459,448.71

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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.