Home / 19,930,561.20-29,895,841.80-19,552,647.60

Finding the Fourth Proportional to 19,930,561.20, 29,895,841.80 and 19,552,647.60

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Solution

The fourth proportional to 19,930,561.20, 29,895,841.80 and 19,552,647.60 is: 29,328,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,930,561.20 : 29,895,841.80 = 19,552,647.60 : x
  2. Step 2: Convert to fraction form
    19,930,561.20/29,895,841.80 = 19,552,647.60/x
  3. Step 3: Cross multiply
    19,930,561.20x = 29,895,841.80 × 19,552,647.60
  4. Step 4: Simplify right side
    19,930,561.20x = 584,542,859,420,749.75
  5. Step 5: Solve for x
    x = 584,542,859,420,749.75/19,930,561.20
  6. Step 6: Final answer
    x = 29,328,971.40

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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.