Home / 7,859,934.16-11,789,900.52-2,180,158.72

Finding the Fourth Proportional to 7,859,934.16, 11,789,900.52 and 2,180,158.72

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Solution

The fourth proportional to 7,859,934.16, 11,789,900.52 and 2,180,158.72 is: 3,270,237.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859,934.16 : 11,789,900.52 = 2,180,158.72 : x
  2. Step 2: Convert to fraction form
    7,859,934.16/11,789,900.52 = 2,180,158.72/x
  3. Step 3: Cross multiply
    7,859,934.16x = 11,789,900.52 × 2,180,158.72
  4. Step 4: Simplify right side
    7,859,934.16x = 25,703,854,426,610.54
  5. Step 5: Solve for x
    x = 25,703,854,426,610.54/7,859,934.16
  6. Step 6: Final answer
    x = 3,270,237.88

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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.