Home / 13,185,827.28-19,743,304.32-8,367,428.88

Finding the Fourth Proportional to 13,185,827.28, 19,743,304.32 and 8,367,428.88

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Solution

The fourth proportional to 13,185,827.28, 19,743,304.32 and 8,367,428.88 is: 12,528,656.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,185,827.28 : 19,743,304.32 = 8,367,428.88 : x
  2. Step 2: Convert to fraction form
    13,185,827.28/19,743,304.32 = 8,367,428.88/x
  3. Step 3: Cross multiply
    13,185,827.28x = 19,743,304.32 × 8,367,428.88
  4. Step 4: Simplify right side
    13,185,827.28x = 165,200,694,753,796.75
  5. Step 5: Solve for x
    x = 165,200,694,753,796.75/13,185,827.28
  6. Step 6: Final answer
    x = 12,528,656.05

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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.