Home / 12,513,236.93-18,762,997.79-3,874,939.17

Finding the Fourth Proportional to 12,513,236.93, 18,762,997.79 and 3,874,939.17

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Solution

The fourth proportional to 12,513,236.93, 18,762,997.79 and 3,874,939.17 is: 5,810,285.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513,236.93 : 18,762,997.79 = 3,874,939.17 : x
  2. Step 2: Convert to fraction form
    12,513,236.93/18,762,997.79 = 3,874,939.17/x
  3. Step 3: Cross multiply
    12,513,236.93x = 18,762,997.79 × 3,874,939.17
  4. Step 4: Simplify right side
    12,513,236.93x = 72,705,475,063,719.73
  5. Step 5: Solve for x
    x = 72,705,475,063,719.73/12,513,236.93
  6. Step 6: Final answer
    x = 5,810,285.18

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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.