Home / 12,521,702.40-18,805,363.20-10,954,060.80

Finding the Fourth Proportional to 12,521,702.40, 18,805,363.20 and 10,954,060.80

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Solution

The fourth proportional to 12,521,702.40, 18,805,363.20 and 10,954,060.80 is: 16,451,045.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,521,702.40 : 18,805,363.20 = 10,954,060.80 : x
  2. Step 2: Convert to fraction form
    12,521,702.40/18,805,363.20 = 10,954,060.80/x
  3. Step 3: Cross multiply
    12,521,702.40x = 18,805,363.20 × 10,954,060.80
  4. Step 4: Simplify right side
    12,521,702.40x = 205,995,091,858,882.56
  5. Step 5: Solve for x
    x = 205,995,091,858,882.56/12,521,702.40
  6. Step 6: Final answer
    x = 16,451,045.18

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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.