Home / 8,815,646.18-13,217,432.45-4,489,321.88

Finding the Fourth Proportional to 8,815,646.18, 13,217,432.45 and 4,489,321.88

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Solution

The fourth proportional to 8,815,646.18, 13,217,432.45 and 4,489,321.88 is: 6,730,908.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815,646.18 : 13,217,432.45 = 4,489,321.88 : x
  2. Step 2: Convert to fraction form
    8,815,646.18/13,217,432.45 = 4,489,321.88/x
  3. Step 3: Cross multiply
    8,815,646.18x = 13,217,432.45 × 4,489,321.88
  4. Step 4: Simplify right side
    8,815,646.18x = 59,337,308,705,803.98
  5. Step 5: Solve for x
    x = 59,337,308,705,803.98/8,815,646.18
  6. Step 6: Final answer
    x = 6,730,908.60

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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.