Home / 10,791,176.10-16,186,764.15-8,381,976.90

Finding the Fourth Proportional to 10,791,176.10, 16,186,764.15 and 8,381,976.90

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Solution

The fourth proportional to 10,791,176.10, 16,186,764.15 and 8,381,976.90 is: 12,572,965.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791,176.10 : 16,186,764.15 = 8,381,976.90 : x
  2. Step 2: Convert to fraction form
    10,791,176.10/16,186,764.15 = 8,381,976.90/x
  3. Step 3: Cross multiply
    10,791,176.10x = 16,186,764.15 × 8,381,976.90
  4. Step 4: Simplify right side
    10,791,176.10x = 135,677,083,191,048.14
  5. Step 5: Solve for x
    x = 135,677,083,191,048.14/10,791,176.10
  6. Step 6: Final answer
    x = 12,572,965.35

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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.