Home / 18,145,696.80-27,218,545.20-8,068,000.80

Finding the Fourth Proportional to 18,145,696.80, 27,218,545.20 and 8,068,000.80

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Solution

The fourth proportional to 18,145,696.80, 27,218,545.20 and 8,068,000.80 is: 12,102,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,696.80 : 27,218,545.20 = 8,068,000.80 : x
  2. Step 2: Convert to fraction form
    18,145,696.80/27,218,545.20 = 8,068,000.80/x
  3. Step 3: Cross multiply
    18,145,696.80x = 27,218,545.20 × 8,068,000.80
  4. Step 4: Simplify right side
    18,145,696.80x = 219,599,244,448,436.16
  5. Step 5: Solve for x
    x = 219,599,244,448,436.16/18,145,696.80
  6. Step 6: Final answer
    x = 12,102,001.20

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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.