Home / 14,154,020.10-21,231,030.15-8,471,319.30

Finding the Fourth Proportional to 14,154,020.10, 21,231,030.15 and 8,471,319.30

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Solution

The fourth proportional to 14,154,020.10, 21,231,030.15 and 8,471,319.30 is: 12,706,978.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154,020.10 : 21,231,030.15 = 8,471,319.30 : x
  2. Step 2: Convert to fraction form
    14,154,020.10/21,231,030.15 = 8,471,319.30/x
  3. Step 3: Cross multiply
    14,154,020.10x = 21,231,030.15 × 8,471,319.30
  4. Step 4: Simplify right side
    14,154,020.10x = 179,854,835,468,576.91
  5. Step 5: Solve for x
    x = 179,854,835,468,576.91/14,154,020.10
  6. Step 6: Final answer
    x = 12,706,978.95

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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.