Home / 18,861,507.60-28,292,261.40-6,082,429.20

Finding the Fourth Proportional to 18,861,507.60, 28,292,261.40 and 6,082,429.20

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Solution

The fourth proportional to 18,861,507.60, 28,292,261.40 and 6,082,429.20 is: 9,123,643.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,861,507.60 : 28,292,261.40 = 6,082,429.20 : x
  2. Step 2: Convert to fraction form
    18,861,507.60/28,292,261.40 = 6,082,429.20/x
  3. Step 3: Cross multiply
    18,861,507.60x = 28,292,261.40 × 6,082,429.20
  4. Step 4: Simplify right side
    18,861,507.60x = 172,085,676,873,392.88
  5. Step 5: Solve for x
    x = 172,085,676,873,392.88/18,861,507.60
  6. Step 6: Final answer
    x = 9,123,643.80

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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.