Home / 13,453,890.25-18,566,972.22-7,575,545.89

Finding the Fourth Proportional to 13,453,890.25, 18,566,972.22 and 7,575,545.89

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Solution

The fourth proportional to 13,453,890.25, 18,566,972.22 and 7,575,545.89 is: 10,454,593.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453,890.25 : 18,566,972.22 = 7,575,545.89 : x
  2. Step 2: Convert to fraction form
    13,453,890.25/18,566,972.22 = 7,575,545.89/x
  3. Step 3: Cross multiply
    13,453,890.25x = 18,566,972.22 × 7,575,545.89
  4. Step 4: Simplify right side
    13,453,890.25x = 140,654,950,090,965.16
  5. Step 5: Solve for x
    x = 140,654,950,090,965.16/13,453,890.25
  6. Step 6: Final answer
    x = 10,454,593.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.