Home / 8,264,711.70-12,397,067.55-5,985,420.30

Finding the Fourth Proportional to 8,264,711.70, 12,397,067.55 and 5,985,420.30

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Solution

The fourth proportional to 8,264,711.70, 12,397,067.55 and 5,985,420.30 is: 8,978,130.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264,711.70 : 12,397,067.55 = 5,985,420.30 : x
  2. Step 2: Convert to fraction form
    8,264,711.70/12,397,067.55 = 5,985,420.30/x
  3. Step 3: Cross multiply
    8,264,711.70x = 12,397,067.55 × 5,985,420.30
  4. Step 4: Simplify right side
    8,264,711.70x = 74,201,659,774,241.27
  5. Step 5: Solve for x
    x = 74,201,659,774,241.27/8,264,711.70
  6. Step 6: Final answer
    x = 8,978,130.45

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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.