Home / 12,541,067.10-18,829,096.65-8,020,100.70

Finding the Fourth Proportional to 12,541,067.10, 18,829,096.65 and 8,020,100.70

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Solution

The fourth proportional to 12,541,067.10, 18,829,096.65 and 8,020,100.70 is: 12,041,339.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,541,067.10 : 18,829,096.65 = 8,020,100.70 : x
  2. Step 2: Convert to fraction form
    12,541,067.10/18,829,096.65 = 8,020,100.70/x
  3. Step 3: Cross multiply
    12,541,067.10x = 18,829,096.65 × 8,020,100.70
  4. Step 4: Simplify right side
    12,541,067.10x = 151,011,251,223,032.66
  5. Step 5: Solve for x
    x = 151,011,251,223,032.66/12,541,067.10
  6. Step 6: Final answer
    x = 12,041,339.87

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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.