Home / 10,182,608.64-15,278,142.78-4,121,624.88

Finding the Fourth Proportional to 10,182,608.64, 15,278,142.78 and 4,121,624.88

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Solution

The fourth proportional to 10,182,608.64, 15,278,142.78 and 4,121,624.88 is: 6,184,149.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,182,608.64 : 15,278,142.78 = 4,121,624.88 : x
  2. Step 2: Convert to fraction form
    10,182,608.64/15,278,142.78 = 4,121,624.88/x
  3. Step 3: Cross multiply
    10,182,608.64x = 15,278,142.78 × 4,121,624.88
  4. Step 4: Simplify right side
    10,182,608.64x = 62,970,773,402,240.36
  5. Step 5: Solve for x
    x = 62,970,773,402,240.36/10,182,608.64
  6. Step 6: Final answer
    x = 6,184,149.43

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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.