Home / 40,439,645.60-60,659,468.40-11,686,719.20

Finding the Fourth Proportional to 40,439,645.60, 60,659,468.40 and 11,686,719.20

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Solution

The fourth proportional to 40,439,645.60, 60,659,468.40 and 11,686,719.20 is: 17,530,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,439,645.60 : 60,659,468.40 = 11,686,719.20 : x
  2. Step 2: Convert to fraction form
    40,439,645.60/60,659,468.40 = 11,686,719.20/x
  3. Step 3: Cross multiply
    40,439,645.60x = 60,659,468.40 × 11,686,719.20
  4. Step 4: Simplify right side
    40,439,645.60x = 708,910,174,012,073.25
  5. Step 5: Solve for x
    x = 708,910,174,012,073.25/40,439,645.60
  6. Step 6: Final answer
    x = 17,530,078.80

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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.