Home / 7,854,145.60-11,781,218.40-5,465,358.40

Finding the Fourth Proportional to 7,854,145.60, 11,781,218.40 and 5,465,358.40

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Solution

The fourth proportional to 7,854,145.60, 11,781,218.40 and 5,465,358.40 is: 8,198,037.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854,145.60 : 11,781,218.40 = 5,465,358.40 : x
  2. Step 2: Convert to fraction form
    7,854,145.60/11,781,218.40 = 5,465,358.40/x
  3. Step 3: Cross multiply
    7,854,145.60x = 11,781,218.40 × 5,465,358.40
  4. Step 4: Simplify right side
    7,854,145.60x = 64,388,580,944,674.57
  5. Step 5: Solve for x
    x = 64,388,580,944,674.57/7,854,145.60
  6. Step 6: Final answer
    x = 8,198,037.60

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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.