Home / 22,789,099.70-31,448,956.68-12,475,822.79

Finding the Fourth Proportional to 22,789,099.70, 31,448,956.68 and 12,475,822.79

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Solution

The fourth proportional to 22,789,099.70, 31,448,956.68 and 12,475,822.79 is: 17,216,634.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,789,099.70 : 31,448,956.68 = 12,475,822.79 : x
  2. Step 2: Convert to fraction form
    22,789,099.70/31,448,956.68 = 12,475,822.79/x
  3. Step 3: Cross multiply
    22,789,099.70x = 31,448,956.68 × 12,475,822.79
  4. Step 4: Simplify right side
    22,789,099.70x = 392,351,610,548,689.12
  5. Step 5: Solve for x
    x = 392,351,610,548,689.12/22,789,099.70
  6. Step 6: Final answer
    x = 17,216,634.96

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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.