Home / 18,320,545.20-27,480,817.80-9,343,930.80

Finding the Fourth Proportional to 18,320,545.20, 27,480,817.80 and 9,343,930.80

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Solution

The fourth proportional to 18,320,545.20, 27,480,817.80 and 9,343,930.80 is: 14,015,896.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,320,545.20 : 27,480,817.80 = 9,343,930.80 : x
  2. Step 2: Convert to fraction form
    18,320,545.20/27,480,817.80 = 9,343,930.80/x
  3. Step 3: Cross multiply
    18,320,545.20x = 27,480,817.80 × 9,343,930.80
  4. Step 4: Simplify right side
    18,320,545.20x = 256,778,859,850,608.28
  5. Step 5: Solve for x
    x = 256,778,859,850,608.28/18,320,545.20
  6. Step 6: Final answer
    x = 14,015,896.20

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1.5x scale

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.