Home / 10,526,819.16-15,766,313.18-8,238,079.88

Finding the Fourth Proportional to 10,526,819.16, 15,766,313.18 and 8,238,079.88

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Solution

The fourth proportional to 10,526,819.16, 15,766,313.18 and 8,238,079.88 is: 12,338,403.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,526,819.16 : 15,766,313.18 = 8,238,079.88 : x
  2. Step 2: Convert to fraction form
    10,526,819.16/15,766,313.18 = 8,238,079.88/x
  3. Step 3: Cross multiply
    10,526,819.16x = 15,766,313.18 × 8,238,079.88
  4. Step 4: Simplify right side
    10,526,819.16x = 129,884,147,389,936.81
  5. Step 5: Solve for x
    x = 129,884,147,389,936.81/10,526,819.16
  6. Step 6: Final answer
    x = 12,338,403.98

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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.