Home / 7,778,756.92-11,668,135.38-2,098,972.12

Finding the Fourth Proportional to 7,778,756.92, 11,668,135.38 and 2,098,972.12

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Solution

The fourth proportional to 7,778,756.92, 11,668,135.38 and 2,098,972.12 is: 3,148,458.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778,756.92 : 11,668,135.38 = 2,098,972.12 : x
  2. Step 2: Convert to fraction form
    7,778,756.92/11,668,135.38 = 2,098,972.12/x
  3. Step 3: Cross multiply
    7,778,756.92x = 11,668,135.38 × 2,098,972.12
  4. Step 4: Simplify right side
    7,778,756.92x = 24,491,090,855,005.61
  5. Step 5: Solve for x
    x = 24,491,090,855,005.61/7,778,756.92
  6. Step 6: Final answer
    x = 3,148,458.18

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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.