Home / 7,319,149.76-10,100,815.08-4,056,320.72

Finding the Fourth Proportional to 7,319,149.76, 10,100,815.08 and 4,056,320.72

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Solution

The fourth proportional to 7,319,149.76, 10,100,815.08 and 4,056,320.72 is: 5,597,937.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319,149.76 : 10,100,815.08 = 4,056,320.72 : x
  2. Step 2: Convert to fraction form
    7,319,149.76/10,100,815.08 = 4,056,320.72/x
  3. Step 3: Cross multiply
    7,319,149.76x = 10,100,815.08 × 4,056,320.72
  4. Step 4: Simplify right side
    7,319,149.76x = 40,972,145,497,892.46
  5. Step 5: Solve for x
    x = 40,972,145,497,892.46/7,319,149.76
  6. Step 6: Final answer
    x = 5,597,937.85

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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.