Home / 13,575,349.76-18,732,874.68-7,992,715.20

Finding the Fourth Proportional to 13,575,349.76, 18,732,874.68 and 7,992,715.20

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Solution

The fourth proportional to 13,575,349.76, 18,732,874.68 and 7,992,715.20 is: 11,029,294.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575,349.76 : 18,732,874.68 = 7,992,715.20 : x
  2. Step 2: Convert to fraction form
    13,575,349.76/18,732,874.68 = 7,992,715.20/x
  3. Step 3: Cross multiply
    13,575,349.76x = 18,732,874.68 × 7,992,715.20
  4. Step 4: Simplify right side
    13,575,349.76x = 149,726,532,194,531.12
  5. Step 5: Solve for x
    x = 149,726,532,194,531.12/13,575,349.76
  6. Step 6: Final answer
    x = 11,029,294.63

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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.