Home / 19,542,287.80-29,299,434.90-8,176,886.20

Finding the Fourth Proportional to 19,542,287.80, 29,299,434.90 and 8,176,886.20

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Solution

The fourth proportional to 19,542,287.80, 29,299,434.90 and 8,176,886.20 is: 12,259,472.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,542,287.80 : 29,299,434.90 = 8,176,886.20 : x
  2. Step 2: Convert to fraction form
    19,542,287.80/29,299,434.90 = 8,176,886.20/x
  3. Step 3: Cross multiply
    19,542,287.80x = 29,299,434.90 × 8,176,886.20
  4. Step 4: Simplify right side
    19,542,287.80x = 239,578,144,901,608.38
  5. Step 5: Solve for x
    x = 239,578,144,901,608.38/19,542,287.80
  6. Step 6: Final answer
    x = 12,259,472.76

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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.