Home / 10,385,561.28-15,564,416.87-8,082,834.93

Finding the Fourth Proportional to 10,385,561.28, 15,564,416.87 and 8,082,834.93

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Solution

The fourth proportional to 10,385,561.28, 15,564,416.87 and 8,082,834.93 is: 12,113,414.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385,561.28 : 15,564,416.87 = 8,082,834.93 : x
  2. Step 2: Convert to fraction form
    10,385,561.28/15,564,416.87 = 8,082,834.93/x
  3. Step 3: Cross multiply
    10,385,561.28x = 15,564,416.87 × 8,082,834.93
  4. Step 4: Simplify right side
    10,385,561.28x = 125,804,612,301,503.09
  5. Step 5: Solve for x
    x = 125,804,612,301,503.09/10,385,561.28
  6. Step 6: Final answer
    x = 12,113,414.86

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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.