Home / 8,532,002.30-12,798,003.45-5,662,220.90

Finding the Fourth Proportional to 8,532,002.30, 12,798,003.45 and 5,662,220.90

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Solution

The fourth proportional to 8,532,002.30, 12,798,003.45 and 5,662,220.90 is: 8,493,331.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,532,002.30 : 12,798,003.45 = 5,662,220.90 : x
  2. Step 2: Convert to fraction form
    8,532,002.30/12,798,003.45 = 5,662,220.90/x
  3. Step 3: Cross multiply
    8,532,002.30x = 12,798,003.45 × 5,662,220.90
  4. Step 4: Simplify right side
    8,532,002.30x = 72,465,122,612,862.11
  5. Step 5: Solve for x
    x = 72,465,122,612,862.11/8,532,002.30
  6. Step 6: Final answer
    x = 8,493,331.35

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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.