Home / 31,074,283.16-42,882,694.02-18,029,309.48

Finding the Fourth Proportional to 31,074,283.16, 42,882,694.02 and 18,029,309.48

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Solution

The fourth proportional to 31,074,283.16, 42,882,694.02 and 18,029,309.48 is: 24,880,553.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,074,283.16 : 42,882,694.02 = 18,029,309.48 : x
  2. Step 2: Convert to fraction form
    31,074,283.16/42,882,694.02 = 18,029,309.48/x
  3. Step 3: Cross multiply
    31,074,283.16x = 42,882,694.02 × 18,029,309.48
  4. Step 4: Simplify right side
    31,074,283.16x = 773,145,361,822,725.38
  5. Step 5: Solve for x
    x = 773,145,361,822,725.38/31,074,283.16
  6. Step 6: Final answer
    x = 24,880,553.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.