Home / 5,718,140.29-7,891,158.41-3,139,929.73

Finding the Fourth Proportional to 5,718,140.29, 7,891,158.41 and 3,139,929.73

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Solution

The fourth proportional to 5,718,140.29, 7,891,158.41 and 3,139,929.73 is: 4,333,171.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718,140.29 : 7,891,158.41 = 3,139,929.73 : x
  2. Step 2: Convert to fraction form
    5,718,140.29/7,891,158.41 = 3,139,929.73/x
  3. Step 3: Cross multiply
    5,718,140.29x = 7,891,158.41 × 3,139,929.73
  4. Step 4: Simplify right side
    5,718,140.29x = 24,777,682,895,698.53
  5. Step 5: Solve for x
    x = 24,777,682,895,698.53/5,718,140.29
  6. Step 6: Final answer
    x = 4,333,171.56

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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.