Home / 8,680,127.20-13,016,254.20-3,286,985.20

Finding the Fourth Proportional to 8,680,127.20, 13,016,254.20 and 3,286,985.20

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Solution

The fourth proportional to 8,680,127.20, 13,016,254.20 and 3,286,985.20 is: 4,928,987.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680,127.20 : 13,016,254.20 = 3,286,985.20 : x
  2. Step 2: Convert to fraction form
    8,680,127.20/13,016,254.20 = 3,286,985.20/x
  3. Step 3: Cross multiply
    8,680,127.20x = 13,016,254.20 × 3,286,985.20
  4. Step 4: Simplify right side
    8,680,127.20x = 42,784,234,914,837.84
  5. Step 5: Solve for x
    x = 42,784,234,914,837.84/8,680,127.20
  6. Step 6: Final answer
    x = 4,928,987.09

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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.