Home / 7,156,966.80-10,731,772.80-2,107,621.20

Finding the Fourth Proportional to 7,156,966.80, 10,731,772.80 and 2,107,621.20

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Solution

The fourth proportional to 7,156,966.80, 10,731,772.80 and 2,107,621.20 is: 3,160,348.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156,966.80 : 10,731,772.80 = 2,107,621.20 : x
  2. Step 2: Convert to fraction form
    7,156,966.80/10,731,772.80 = 2,107,621.20/x
  3. Step 3: Cross multiply
    7,156,966.80x = 10,731,772.80 × 2,107,621.20
  4. Step 4: Simplify right side
    7,156,966.80x = 22,618,511,866,863.36
  5. Step 5: Solve for x
    x = 22,618,511,866,863.36/7,156,966.80
  6. Step 6: Final answer
    x = 3,160,348.86

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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.