Home / 15,942,703.20-23,916,387.60-5,158,168.80

Finding the Fourth Proportional to 15,942,703.20, 23,916,387.60 and 5,158,168.80

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Solution

The fourth proportional to 15,942,703.20, 23,916,387.60 and 5,158,168.80 is: 7,738,007.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,942,703.20 : 23,916,387.60 = 5,158,168.80 : x
  2. Step 2: Convert to fraction form
    15,942,703.20/23,916,387.60 = 5,158,168.80/x
  3. Step 3: Cross multiply
    15,942,703.20x = 23,916,387.60 × 5,158,168.80
  4. Step 4: Simplify right side
    15,942,703.20x = 123,364,764,327,026.89
  5. Step 5: Solve for x
    x = 123,364,764,327,026.89/15,942,703.20
  6. Step 6: Final answer
    x = 7,738,007.96

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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.