Home / 7,173,387.45-10,714,363.79-6,489,221.76

Finding the Fourth Proportional to 7,173,387.45, 10,714,363.79 and 6,489,221.76

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Solution

The fourth proportional to 7,173,387.45, 10,714,363.79 and 6,489,221.76 is: 9,692,475.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173,387.45 : 10,714,363.79 = 6,489,221.76 : x
  2. Step 2: Convert to fraction form
    7,173,387.45/10,714,363.79 = 6,489,221.76/x
  3. Step 3: Cross multiply
    7,173,387.45x = 10,714,363.79 × 6,489,221.76
  4. Step 4: Simplify right side
    7,173,387.45x = 69,527,882,618,177.96
  5. Step 5: Solve for x
    x = 69,527,882,618,177.96/7,173,387.45
  6. Step 6: Final answer
    x = 9,692,475.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.