Home / 7,275,687.31-10,911,668.76-2,156,920.19

Finding the Fourth Proportional to 7,275,687.31, 10,911,668.76 and 2,156,920.19

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Solution

The fourth proportional to 7,275,687.31, 10,911,668.76 and 2,156,920.19 is: 3,234,828.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275,687.31 : 10,911,668.76 = 2,156,920.19 : x
  2. Step 2: Convert to fraction form
    7,275,687.31/10,911,668.76 = 2,156,920.19/x
  3. Step 3: Cross multiply
    7,275,687.31x = 10,911,668.76 × 2,156,920.19
  4. Step 4: Simplify right side
    7,275,687.31x = 23,535,598,600,477.92
  5. Step 5: Solve for x
    x = 23,535,598,600,477.92/7,275,687.31
  6. Step 6: Final answer
    x = 3,234,828.22

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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.