Home / 10,392,519.92-15,479,193.77-9,926,229.76

Finding the Fourth Proportional to 10,392,519.92, 15,479,193.77 and 9,926,229.76

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Solution

The fourth proportional to 10,392,519.92, 15,479,193.77 and 9,926,229.76 is: 14,784,675.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392,519.92 : 15,479,193.77 = 9,926,229.76 : x
  2. Step 2: Convert to fraction form
    10,392,519.92/15,479,193.77 = 9,926,229.76/x
  3. Step 3: Cross multiply
    10,392,519.92x = 15,479,193.77 × 9,926,229.76
  4. Step 4: Simplify right side
    10,392,519.92x = 153,650,033,860,580.59
  5. Step 5: Solve for x
    x = 153,650,033,860,580.59/10,392,519.92
  6. Step 6: Final answer
    x = 14,784,675.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.