Home / 7,859,934.66-11,789,901.27-2,180,159.22

Finding the Fourth Proportional to 7,859,934.66, 11,789,901.27 and 2,180,159.22

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Solution

The fourth proportional to 7,859,934.66, 11,789,901.27 and 2,180,159.22 is: 3,270,238.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859,934.66 : 11,789,901.27 = 2,180,159.22 : x
  2. Step 2: Convert to fraction form
    7,859,934.66/11,789,901.27 = 2,180,159.22/x
  3. Step 3: Cross multiply
    7,859,934.66x = 11,789,901.27 × 2,180,159.22
  4. Step 4: Simplify right side
    7,859,934.66x = 25,703,861,956,680.21
  5. Step 5: Solve for x
    x = 25,703,861,956,680.21/7,859,934.66
  6. Step 6: Final answer
    x = 3,270,238.63

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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.