Home / 10,867,680.90-16,301,521.35-8,157,331.80

Finding the Fourth Proportional to 10,867,680.90, 16,301,521.35 and 8,157,331.80

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Solution

The fourth proportional to 10,867,680.90, 16,301,521.35 and 8,157,331.80 is: 12,235,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,680.90 : 16,301,521.35 = 8,157,331.80 : x
  2. Step 2: Convert to fraction form
    10,867,680.90/16,301,521.35 = 8,157,331.80/x
  3. Step 3: Cross multiply
    10,867,680.90x = 16,301,521.35 × 8,157,331.80
  4. Step 4: Simplify right side
    10,867,680.90x = 132,976,918,496,733.92
  5. Step 5: Solve for x
    x = 132,976,918,496,733.92/10,867,680.90
  6. Step 6: Final answer
    x = 12,235,997.70

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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.