Home / 20,461,209.02-28,236,470.89-11,293,854.20

Finding the Fourth Proportional to 20,461,209.02, 28,236,470.89 and 11,293,854.20

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Solution

The fourth proportional to 20,461,209.02, 28,236,470.89 and 11,293,854.20 is: 15,585,520.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,461,209.02 : 28,236,470.89 = 11,293,854.20 : x
  2. Step 2: Convert to fraction form
    20,461,209.02/28,236,470.89 = 11,293,854.20/x
  3. Step 3: Cross multiply
    20,461,209.02x = 28,236,470.89 × 11,293,854.20
  4. Step 4: Simplify right side
    20,461,209.02x = 318,898,585,354,204.25
  5. Step 5: Solve for x
    x = 318,898,585,354,204.25/20,461,209.02
  6. Step 6: Final answer
    x = 15,585,520.14

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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.