Home / 10,891,808.10-16,337,712.15-7,065,432.90

Finding the Fourth Proportional to 10,891,808.10, 16,337,712.15 and 7,065,432.90

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Solution

The fourth proportional to 10,891,808.10, 16,337,712.15 and 7,065,432.90 is: 10,598,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891,808.10 : 16,337,712.15 = 7,065,432.90 : x
  2. Step 2: Convert to fraction form
    10,891,808.10/16,337,712.15 = 7,065,432.90/x
  3. Step 3: Cross multiply
    10,891,808.10x = 16,337,712.15 × 7,065,432.90
  4. Step 4: Simplify right side
    10,891,808.10x = 115,433,008,935,339.75
  5. Step 5: Solve for x
    x = 115,433,008,935,339.75/10,891,808.10
  6. Step 6: Final answer
    x = 10,598,149.35

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Similar ratio
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1.5x scale

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.