Home / 12,961,355.46-17,887,213.94-7,454,731.86

Finding the Fourth Proportional to 12,961,355.46, 17,887,213.94 and 7,454,731.86

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Solution

The fourth proportional to 12,961,355.46, 17,887,213.94 and 7,454,731.86 is: 10,287,842.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,961,355.46 : 17,887,213.94 = 7,454,731.86 : x
  2. Step 2: Convert to fraction form
    12,961,355.46/17,887,213.94 = 7,454,731.86/x
  3. Step 3: Cross multiply
    12,961,355.46x = 17,887,213.94 × 7,454,731.86
  4. Step 4: Simplify right side
    12,961,355.46x = 133,344,383,518,444.39
  5. Step 5: Solve for x
    x = 133,344,383,518,444.39/12,961,355.46
  6. Step 6: Final answer
    x = 10,287,842.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.