Home / 7,129,392.80-10,694,089.20-4,442,007.20

Finding the Fourth Proportional to 7,129,392.80, 10,694,089.20 and 4,442,007.20

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Solution

The fourth proportional to 7,129,392.80, 10,694,089.20 and 4,442,007.20 is: 6,663,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,392.80 : 10,694,089.20 = 4,442,007.20 : x
  2. Step 2: Convert to fraction form
    7,129,392.80/10,694,089.20 = 4,442,007.20/x
  3. Step 3: Cross multiply
    7,129,392.80x = 10,694,089.20 × 4,442,007.20
  4. Step 4: Simplify right side
    7,129,392.80x = 47,503,221,223,842.24
  5. Step 5: Solve for x
    x = 47,503,221,223,842.24/7,129,392.80
  6. Step 6: Final answer
    x = 6,663,010.80

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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.