Home / 10,890,038.10-16,335,057.15-8,339,121.30

Finding the Fourth Proportional to 10,890,038.10, 16,335,057.15 and 8,339,121.30

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Solution

The fourth proportional to 10,890,038.10, 16,335,057.15 and 8,339,121.30 is: 12,508,681.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890,038.10 : 16,335,057.15 = 8,339,121.30 : x
  2. Step 2: Convert to fraction form
    10,890,038.10/16,335,057.15 = 8,339,121.30/x
  3. Step 3: Cross multiply
    10,890,038.10x = 16,335,057.15 × 8,339,121.30
  4. Step 4: Simplify right side
    10,890,038.10x = 136,220,023,016,282.30
  5. Step 5: Solve for x
    x = 136,220,023,016,282.30/10,890,038.10
  6. Step 6: Final answer
    x = 12,508,681.95

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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.