Home / 20,569,902.18-28,386,502.95-11,150,664.04

Finding the Fourth Proportional to 20,569,902.18, 28,386,502.95 and 11,150,664.04

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Solution

The fourth proportional to 20,569,902.18, 28,386,502.95 and 11,150,664.04 is: 15,387,936.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,569,902.18 : 28,386,502.95 = 11,150,664.04 : x
  2. Step 2: Convert to fraction form
    20,569,902.18/28,386,502.95 = 11,150,664.04/x
  3. Step 3: Cross multiply
    20,569,902.18x = 28,386,502.95 × 11,150,664.04
  4. Step 4: Simplify right side
    20,569,902.18x = 316,528,357,610,165.56
  5. Step 5: Solve for x
    x = 316,528,357,610,165.56/20,569,902.18
  6. Step 6: Final answer
    x = 15,387,936.94

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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.