Home / 18,929,077.29-28,398,393.17-5,282,212.32

Finding the Fourth Proportional to 18,929,077.29, 28,398,393.17 and 5,282,212.32

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Solution

The fourth proportional to 18,929,077.29, 28,398,393.17 and 5,282,212.32 is: 7,924,651.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,929,077.29 : 28,398,393.17 = 5,282,212.32 : x
  2. Step 2: Convert to fraction form
    18,929,077.29/28,398,393.17 = 5,282,212.32/x
  3. Step 3: Cross multiply
    18,929,077.29x = 28,398,393.17 × 5,282,212.32
  4. Step 4: Simplify right side
    18,929,077.29x = 150,006,342,244,366.78
  5. Step 5: Solve for x
    x = 150,006,342,244,366.78/18,929,077.29
  6. Step 6: Final answer
    x = 7,924,651.58

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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.