Home / 9,270,411.20-13,905,616.80-8,474,148.80

Finding the Fourth Proportional to 9,270,411.20, 13,905,616.80 and 8,474,148.80

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Solution

The fourth proportional to 9,270,411.20, 13,905,616.80 and 8,474,148.80 is: 12,711,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,270,411.20 : 13,905,616.80 = 8,474,148.80 : x
  2. Step 2: Convert to fraction form
    9,270,411.20/13,905,616.80 = 8,474,148.80/x
  3. Step 3: Cross multiply
    9,270,411.20x = 13,905,616.80 × 8,474,148.80
  4. Step 4: Simplify right side
    9,270,411.20x = 117,838,265,918,979.86
  5. Step 5: Solve for x
    x = 117,838,265,918,979.86/9,270,411.20
  6. Step 6: Final answer
    x = 12,711,223.20

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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.