Home / 7,142,842.45-9,857,252.44-4,046,008.80

Finding the Fourth Proportional to 7,142,842.45, 9,857,252.44 and 4,046,008.80

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Solution

The fourth proportional to 7,142,842.45, 9,857,252.44 and 4,046,008.80 is: 5,583,565.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,142,842.45 : 9,857,252.44 = 4,046,008.80 : x
  2. Step 2: Convert to fraction form
    7,142,842.45/9,857,252.44 = 4,046,008.80/x
  3. Step 3: Cross multiply
    7,142,842.45x = 9,857,252.44 × 4,046,008.80
  4. Step 4: Simplify right side
    7,142,842.45x = 39,882,530,158,083.68
  5. Step 5: Solve for x
    x = 39,882,530,158,083.68/7,142,842.45
  6. Step 6: Final answer
    x = 5,583,565.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.