Home / 10,790,745.10-16,186,117.65-9,405,061.90

Finding the Fourth Proportional to 10,790,745.10, 16,186,117.65 and 9,405,061.90

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Solution

The fourth proportional to 10,790,745.10, 16,186,117.65 and 9,405,061.90 is: 14,107,592.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790,745.10 : 16,186,117.65 = 9,405,061.90 : x
  2. Step 2: Convert to fraction form
    10,790,745.10/16,186,117.65 = 9,405,061.90/x
  3. Step 3: Cross multiply
    10,790,745.10x = 16,186,117.65 × 9,405,061.90
  4. Step 4: Simplify right side
    10,790,745.10x = 152,231,438,418,932.53
  5. Step 5: Solve for x
    x = 152,231,438,418,932.53/10,790,745.10
  6. Step 6: Final answer
    x = 14,107,592.85

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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.