Home / 15,389,731.20-23,079,153.60-5,290,003.20

Finding the Fourth Proportional to 15,389,731.20, 23,079,153.60 and 5,290,003.20

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Solution

The fourth proportional to 15,389,731.20, 23,079,153.60 and 5,290,003.20 is: 7,933,133.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,389,731.20 : 23,079,153.60 = 5,290,003.20 : x
  2. Step 2: Convert to fraction form
    15,389,731.20/23,079,153.60 = 5,290,003.20/x
  3. Step 3: Cross multiply
    15,389,731.20x = 23,079,153.60 × 5,290,003.20
  4. Step 4: Simplify right side
    15,389,731.20x = 122,088,796,397,291.53
  5. Step 5: Solve for x
    x = 122,088,796,397,291.53/15,389,731.20
  6. Step 6: Final answer
    x = 7,933,133.78

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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.