Home / 8,086,116.90-12,129,175.35-4,306,980.90

Finding the Fourth Proportional to 8,086,116.90, 12,129,175.35 and 4,306,980.90

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Solution

The fourth proportional to 8,086,116.90, 12,129,175.35 and 4,306,980.90 is: 6,460,471.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,086,116.90 : 12,129,175.35 = 4,306,980.90 : x
  2. Step 2: Convert to fraction form
    8,086,116.90/12,129,175.35 = 4,306,980.90/x
  3. Step 3: Cross multiply
    8,086,116.90x = 12,129,175.35 × 4,306,980.90
  4. Step 4: Simplify right side
    8,086,116.90x = 52,240,126,565,200.82
  5. Step 5: Solve for x
    x = 52,240,126,565,200.82/8,086,116.90
  6. Step 6: Final answer
    x = 6,460,471.35

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Double scale
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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.