Home / 28,469,343.38-42,695,182.82-10,271,172.80

Finding the Fourth Proportional to 28,469,343.38, 42,695,182.82 and 10,271,172.80

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Solution

The fourth proportional to 28,469,343.38, 42,695,182.82 and 10,271,172.80 is: 15,403,572.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,469,343.38 : 42,695,182.82 = 10,271,172.80 : x
  2. Step 2: Convert to fraction form
    28,469,343.38/42,695,182.82 = 10,271,172.80/x
  3. Step 3: Cross multiply
    28,469,343.38x = 42,695,182.82 × 10,271,172.80
  4. Step 4: Simplify right side
    28,469,343.38x = 438,529,600,604,227.19
  5. Step 5: Solve for x
    x = 438,529,600,604,227.19/28,469,343.38
  6. Step 6: Final answer
    x = 15,403,572.71

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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.