Home / 19,517,278.89-29,275,706.51-8,000,178.47

Finding the Fourth Proportional to 19,517,278.89, 29,275,706.51 and 8,000,178.47

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Solution

The fourth proportional to 19,517,278.89, 29,275,706.51 and 8,000,178.47 is: 12,000,180.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517,278.89 : 29,275,706.51 = 8,000,178.47 : x
  2. Step 2: Convert to fraction form
    19,517,278.89/29,275,706.51 = 8,000,178.47/x
  3. Step 3: Cross multiply
    19,517,278.89x = 29,275,706.51 × 8,000,178.47
  4. Step 4: Simplify right side
    19,517,278.89x = 234,210,876,915,340.84
  5. Step 5: Solve for x
    x = 234,210,876,915,340.84/19,517,278.89
  6. Step 6: Final answer
    x = 12,000,180.88

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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.