Home / 8,280,527.40-12,420,791.10-6,553,344.15

Finding the Fourth Proportional to 8,280,527.40, 12,420,791.10 and 6,553,344.15

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Solution

The fourth proportional to 8,280,527.40, 12,420,791.10 and 6,553,344.15 is: 9,830,016.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280,527.40 : 12,420,791.10 = 6,553,344.15 : x
  2. Step 2: Convert to fraction form
    8,280,527.40/12,420,791.10 = 6,553,344.15/x
  3. Step 3: Cross multiply
    8,280,527.40x = 12,420,791.10 × 6,553,344.15
  4. Step 4: Simplify right side
    8,280,527.40x = 81,397,718,693,557.06
  5. Step 5: Solve for x
    x = 81,397,718,693,557.06/8,280,527.40
  6. Step 6: Final answer
    x = 9,830,016.23

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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.