Home / 8,238,342.40-12,357,513.60-5,543,958.40

Finding the Fourth Proportional to 8,238,342.40, 12,357,513.60 and 5,543,958.40

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Solution

The fourth proportional to 8,238,342.40, 12,357,513.60 and 5,543,958.40 is: 8,315,937.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238,342.40 : 12,357,513.60 = 5,543,958.40 : x
  2. Step 2: Convert to fraction form
    8,238,342.40/12,357,513.60 = 5,543,958.40/x
  3. Step 3: Cross multiply
    8,238,342.40x = 12,357,513.60 × 5,543,958.40
  4. Step 4: Simplify right side
    8,238,342.40x = 68,509,541,325,834.24
  5. Step 5: Solve for x
    x = 68,509,541,325,834.24/8,238,342.40
  6. Step 6: Final answer
    x = 8,315,937.60

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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.