Home / 19,862,405.64-29,793,418.11-11,769,555.78

Finding the Fourth Proportional to 19,862,405.64, 29,793,418.11 and 11,769,555.78

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Solution

The fourth proportional to 19,862,405.64, 29,793,418.11 and 11,769,555.78 is: 17,654,220.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,862,405.64 : 29,793,418.11 = 11,769,555.78 : x
  2. Step 2: Convert to fraction form
    19,862,405.64/29,793,418.11 = 11,769,555.78/x
  3. Step 3: Cross multiply
    19,862,405.64x = 29,793,418.11 × 11,769,555.78
  4. Step 4: Simplify right side
    19,862,405.64x = 350,655,296,322,507.12
  5. Step 5: Solve for x
    x = 350,655,296,322,507.12/19,862,405.64
  6. Step 6: Final answer
    x = 17,654,220.88

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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.