Home / 29,002,171.60-40,022,080.68-15,949,390.15

Finding the Fourth Proportional to 29,002,171.60, 40,022,080.68 and 15,949,390.15

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Solution

The fourth proportional to 29,002,171.60, 40,022,080.68 and 15,949,390.15 is: 22,009,654.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,002,171.60 : 40,022,080.68 = 15,949,390.15 : x
  2. Step 2: Convert to fraction form
    29,002,171.60/40,022,080.68 = 15,949,390.15/x
  3. Step 3: Cross multiply
    29,002,171.60x = 40,022,080.68 × 15,949,390.15
  4. Step 4: Simplify right side
    29,002,171.60x = 638,327,779,380,097.25
  5. Step 5: Solve for x
    x = 638,327,779,380,097.25/29,002,171.60
  6. Step 6: Final answer
    x = 22,009,654.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.