Home / 29,186,540.80-43,779,811.20-18,436,998.40

Finding the Fourth Proportional to 29,186,540.80, 43,779,811.20 and 18,436,998.40

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Solution

The fourth proportional to 29,186,540.80, 43,779,811.20 and 18,436,998.40 is: 27,655,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,186,540.80 : 43,779,811.20 = 18,436,998.40 : x
  2. Step 2: Convert to fraction form
    29,186,540.80/43,779,811.20 = 18,436,998.40/x
  3. Step 3: Cross multiply
    29,186,540.80x = 43,779,811.20 × 18,436,998.40
  4. Step 4: Simplify right side
    29,186,540.80x = 807,168,309,046,702.12
  5. Step 5: Solve for x
    x = 807,168,309,046,702.12/29,186,540.80
  6. Step 6: Final answer
    x = 27,655,497.60

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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.