Home / 18,722,545.70-28,083,818.55-7,357,144.10

Finding the Fourth Proportional to 18,722,545.70, 28,083,818.55 and 7,357,144.10

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Solution

The fourth proportional to 18,722,545.70, 28,083,818.55 and 7,357,144.10 is: 11,035,716.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,545.70 : 28,083,818.55 = 7,357,144.10 : x
  2. Step 2: Convert to fraction form
    18,722,545.70/28,083,818.55 = 7,357,144.10/x
  3. Step 3: Cross multiply
    18,722,545.70x = 28,083,818.55 × 7,357,144.10
  4. Step 4: Simplify right side
    18,722,545.70x = 206,616,699,950,603.06
  5. Step 5: Solve for x
    x = 206,616,699,950,603.06/18,722,545.70
  6. Step 6: Final answer
    x = 11,035,716.15

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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.