Home / 21,589,930.40-32,337,656.40-18,755,578.40

Finding the Fourth Proportional to 21,589,930.40, 32,337,656.40 and 18,755,578.40

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Solution

The fourth proportional to 21,589,930.40, 32,337,656.40 and 18,755,578.40 is: 28,092,330.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,589,930.40 : 32,337,656.40 = 18,755,578.40 : x
  2. Step 2: Convert to fraction form
    21,589,930.40/32,337,656.40 = 18,755,578.40/x
  3. Step 3: Cross multiply
    21,589,930.40x = 32,337,656.40 × 18,755,578.40
  4. Step 4: Simplify right side
    21,589,930.40x = 606,511,449,882,461.62
  5. Step 5: Solve for x
    x = 606,511,449,882,461.62/21,589,930.40
  6. Step 6: Final answer
    x = 28,092,330.02

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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.