Home / 7,200,177.38-10,800,276.45-2,940,345.61

Finding the Fourth Proportional to 7,200,177.38, 10,800,276.45 and 2,940,345.61

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Solution

The fourth proportional to 7,200,177.38, 10,800,276.45 and 2,940,345.61 is: 4,410,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200,177.38 : 10,800,276.45 = 2,940,345.61 : x
  2. Step 2: Convert to fraction form
    7,200,177.38/10,800,276.45 = 2,940,345.61/x
  3. Step 3: Cross multiply
    7,200,177.38x = 10,800,276.45 × 2,940,345.61
  4. Step 4: Simplify right side
    7,200,177.38x = 31,756,545,430,569.49
  5. Step 5: Solve for x
    x = 31,756,545,430,569.49/7,200,177.38
  6. Step 6: Final answer
    x = 4,410,522.65

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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.