Home / 15,478,761.30-23,218,141.95-4,120,358.10

Finding the Fourth Proportional to 15,478,761.30, 23,218,141.95 and 4,120,358.10

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Solution

The fourth proportional to 15,478,761.30, 23,218,141.95 and 4,120,358.10 is: 6,180,537.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,478,761.30 : 23,218,141.95 = 4,120,358.10 : x
  2. Step 2: Convert to fraction form
    15,478,761.30/23,218,141.95 = 4,120,358.10/x
  3. Step 3: Cross multiply
    15,478,761.30x = 23,218,141.95 × 4,120,358.10
  4. Step 4: Simplify right side
    15,478,761.30x = 95,667,059,250,632.30
  5. Step 5: Solve for x
    x = 95,667,059,250,632.30/15,478,761.30
  6. Step 6: Final answer
    x = 6,180,537.15

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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.