Home / 7,206,826.92-9,945,420.84-3,943,641.92

Finding the Fourth Proportional to 7,206,826.92, 9,945,420.84 and 3,943,641.92

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Solution

The fourth proportional to 7,206,826.92, 9,945,420.84 and 3,943,641.92 is: 5,442,225.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,206,826.92 : 9,945,420.84 = 3,943,641.92 : x
  2. Step 2: Convert to fraction form
    7,206,826.92/9,945,420.84 = 3,943,641.92/x
  3. Step 3: Cross multiply
    7,206,826.92x = 9,945,420.84 × 3,943,641.92
  4. Step 4: Simplify right side
    7,206,826.92x = 39,221,178,542,881.50
  5. Step 5: Solve for x
    x = 39,221,178,542,881.50/7,206,826.92
  6. Step 6: Final answer
    x = 5,442,225.68

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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.