Home / 10,121,265.60-13,952,819.36-7,215,611.94

Finding the Fourth Proportional to 10,121,265.60, 13,952,819.36 and 7,215,611.94

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Solution

The fourth proportional to 10,121,265.60, 13,952,819.36 and 7,215,611.94 is: 9,947,187.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121,265.60 : 13,952,819.36 = 7,215,611.94 : x
  2. Step 2: Convert to fraction form
    10,121,265.60/13,952,819.36 = 7,215,611.94/x
  3. Step 3: Cross multiply
    10,121,265.60x = 13,952,819.36 × 7,215,611.94
  4. Step 4: Simplify right side
    10,121,265.60x = 100,678,129,970,679.16
  5. Step 5: Solve for x
    x = 100,678,129,970,679.16/10,121,265.60
  6. Step 6: Final answer
    x = 9,947,187.83

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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.