Home / 14,328,115.50-19,772,715.20-7,801,729.38

Finding the Fourth Proportional to 14,328,115.50, 19,772,715.20 and 7,801,729.38

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Solution

The fourth proportional to 14,328,115.50, 19,772,715.20 and 7,801,729.38 is: 10,766,340.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328,115.50 : 19,772,715.20 = 7,801,729.38 : x
  2. Step 2: Convert to fraction form
    14,328,115.50/19,772,715.20 = 7,801,729.38/x
  3. Step 3: Cross multiply
    14,328,115.50x = 19,772,715.20 × 7,801,729.38
  4. Step 4: Simplify right side
    14,328,115.50x = 154,261,373,098,212.56
  5. Step 5: Solve for x
    x = 154,261,373,098,212.56/14,328,115.50
  6. Step 6: Final answer
    x = 10,766,340.70

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1.5x scale

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.