Home / 8,693,460.60-13,040,190.90-6,142,543.80

Finding the Fourth Proportional to 8,693,460.60, 13,040,190.90 and 6,142,543.80

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Solution

The fourth proportional to 8,693,460.60, 13,040,190.90 and 6,142,543.80 is: 9,213,815.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693,460.60 : 13,040,190.90 = 6,142,543.80 : x
  2. Step 2: Convert to fraction form
    8,693,460.60/13,040,190.90 = 6,142,543.80/x
  3. Step 3: Cross multiply
    8,693,460.60x = 13,040,190.90 × 6,142,543.80
  4. Step 4: Simplify right side
    8,693,460.60x = 80,099,943,763,611.42
  5. Step 5: Solve for x
    x = 80,099,943,763,611.42/8,693,460.60
  6. Step 6: Final answer
    x = 9,213,815.70

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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.