Home / 18,104,125.76-27,156,180-5,324,630.48

Finding the Fourth Proportional to 18,104,125.76, 27,156,180 and 5,324,630.48

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Solution

The fourth proportional to 18,104,125.76, 27,156,180 and 5,324,630.48 is: 7,986,943.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104,125.76 : 27,156,180 = 5,324,630.48 : x
  2. Step 2: Convert to fraction form
    18,104,125.76/27,156,180 = 5,324,630.48/x
  3. Step 3: Cross multiply
    18,104,125.76x = 27,156,180 × 5,324,630.48
  4. Step 4: Simplify right side
    18,104,125.76x = 144,596,623,748,366.41
  5. Step 5: Solve for x
    x = 144,596,623,748,366.41/18,104,125.76
  6. Step 6: Final answer
    x = 7,986,943.18

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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.