Home / 22,784,213.38-31,442,509.78-12,470,715.04

Finding the Fourth Proportional to 22,784,213.38, 31,442,509.78 and 12,470,715.04

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Solution

The fourth proportional to 22,784,213.38, 31,442,509.78 and 12,470,715.04 is: 17,209,748.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,784,213.38 : 31,442,509.78 = 12,470,715.04 : x
  2. Step 2: Convert to fraction form
    22,784,213.38/31,442,509.78 = 12,470,715.04/x
  3. Step 3: Cross multiply
    22,784,213.38x = 31,442,509.78 × 12,470,715.04
  4. Step 4: Simplify right side
    22,784,213.38x = 392,110,579,608,793.06
  5. Step 5: Solve for x
    x = 392,110,579,608,793.06/22,784,213.38
  6. Step 6: Final answer
    x = 17,209,748.39

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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.