Home / 10,385,589.82-15,564,459.42-8,082,863.36

Finding the Fourth Proportional to 10,385,589.82, 15,564,459.42 and 8,082,863.36

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Solution

The fourth proportional to 10,385,589.82, 15,564,459.42 and 8,082,863.36 is: 12,113,457.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385,589.82 : 15,564,459.42 = 8,082,863.36 : x
  2. Step 2: Convert to fraction form
    10,385,589.82/15,564,459.42 = 8,082,863.36/x
  3. Step 3: Cross multiply
    10,385,589.82x = 15,564,459.42 × 8,082,863.36
  4. Step 4: Simplify right side
    10,385,589.82x = 125,805,398,764,124.86
  5. Step 5: Solve for x
    x = 125,805,398,764,124.86/10,385,589.82
  6. Step 6: Final answer
    x = 12,113,457.29

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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.