Home / 38,720,722.53-53,438,457.04-28,914,141.38

Finding the Fourth Proportional to 38,720,722.53, 53,438,457.04 and 28,914,141.38

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Solution

The fourth proportional to 38,720,722.53, 53,438,457.04 and 28,914,141.38 is: 39,904,397.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,720,722.53 : 53,438,457.04 = 28,914,141.38 : x
  2. Step 2: Convert to fraction form
    38,720,722.53/53,438,457.04 = 28,914,141.38/x
  3. Step 3: Cross multiply
    38,720,722.53x = 53,438,457.04 × 28,914,141.38
  4. Step 4: Simplify right side
    38,720,722.53x = 1,545,127,102,044,927.25
  5. Step 5: Solve for x
    x = 1,545,127,102,044,927.25/38,720,722.53
  6. Step 6: Final answer
    x = 39,904,397.47

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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.