Home / 22,791,004.92-31,451,678.46-12,478,687.56

Finding the Fourth Proportional to 22,791,004.92, 31,451,678.46 and 12,478,687.56

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Solution

The fourth proportional to 22,791,004.92, 31,451,678.46 and 12,478,687.56 is: 17,220,639.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,791,004.92 : 31,451,678.46 = 12,478,687.56 : x
  2. Step 2: Convert to fraction form
    22,791,004.92/31,451,678.46 = 12,478,687.56/x
  3. Step 3: Cross multiply
    22,791,004.92x = 31,451,678.46 × 12,478,687.56
  4. Step 4: Simplify right side
    22,791,004.92x = 392,475,668,739,922
  5. Step 5: Solve for x
    x = 392,475,668,739,922/22,791,004.92
  6. Step 6: Final answer
    x = 17,220,639.02

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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.