Home / 18,902,717.48-28,356,046.72-7,231,066.18

Finding the Fourth Proportional to 18,902,717.48, 28,356,046.72 and 7,231,066.18

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Solution

The fourth proportional to 18,902,717.48, 28,356,046.72 and 7,231,066.18 is: 10,847,353.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,902,717.48 : 28,356,046.72 = 7,231,066.18 : x
  2. Step 2: Convert to fraction form
    18,902,717.48/28,356,046.72 = 7,231,066.18/x
  3. Step 3: Cross multiply
    18,902,717.48x = 28,356,046.72 × 7,231,066.18
  4. Step 4: Simplify right side
    18,902,717.48x = 205,044,450,435,491.91
  5. Step 5: Solve for x
    x = 205,044,450,435,491.91/18,902,717.48
  6. Step 6: Final answer
    x = 10,847,353.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.