Home / 18,676,432-25,785,469.02-11,716,649.56

Finding the Fourth Proportional to 18,676,432, 25,785,469.02 and 11,716,649.56

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Solution

The fourth proportional to 18,676,432, 25,785,469.02 and 11,716,649.56 is: 16,176,500.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,676,432 : 25,785,469.02 = 11,716,649.56 : x
  2. Step 2: Convert to fraction form
    18,676,432/25,785,469.02 = 11,716,649.56/x
  3. Step 3: Cross multiply
    18,676,432x = 25,785,469.02 × 11,716,649.56
  4. Step 4: Simplify right side
    18,676,432x = 302,119,304,247,576.62
  5. Step 5: Solve for x
    x = 302,119,304,247,576.62/18,676,432
  6. Step 6: Final answer
    x = 16,176,500.11

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1.5x scale

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.