Home / 14,597,972.10-20,144,387.40-8,071,209.54

Finding the Fourth Proportional to 14,597,972.10, 20,144,387.40 and 8,071,209.54

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Solution

The fourth proportional to 14,597,972.10, 20,144,387.40 and 8,071,209.54 is: 11,137,819.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,597,972.10 : 20,144,387.40 = 8,071,209.54 : x
  2. Step 2: Convert to fraction form
    14,597,972.10/20,144,387.40 = 8,071,209.54/x
  3. Step 3: Cross multiply
    14,597,972.10x = 20,144,387.40 × 8,071,209.54
  4. Step 4: Simplify right side
    14,597,972.10x = 162,589,571,760,335.78
  5. Step 5: Solve for x
    x = 162,589,571,760,335.78/14,597,972.10
  6. Step 6: Final answer
    x = 11,137,819.05

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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.