Home / 8,477,670.30-12,716,505.45-8,087,946.90

Finding the Fourth Proportional to 8,477,670.30, 12,716,505.45 and 8,087,946.90

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Solution

The fourth proportional to 8,477,670.30, 12,716,505.45 and 8,087,946.90 is: 12,131,920.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,477,670.30 : 12,716,505.45 = 8,087,946.90 : x
  2. Step 2: Convert to fraction form
    8,477,670.30/12,716,505.45 = 8,087,946.90/x
  3. Step 3: Cross multiply
    8,477,670.30x = 12,716,505.45 × 8,087,946.90
  4. Step 4: Simplify right side
    8,477,670.30x = 102,850,420,833,160.61
  5. Step 5: Solve for x
    x = 102,850,420,833,160.61/8,477,670.30
  6. Step 6: Final answer
    x = 12,131,920.35

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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.