Home / 9,268,292.80-13,902,439.20-6,398,511.40

Finding the Fourth Proportional to 9,268,292.80, 13,902,439.20 and 6,398,511.40

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Solution

The fourth proportional to 9,268,292.80, 13,902,439.20 and 6,398,511.40 is: 9,597,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,268,292.80 : 13,902,439.20 = 6,398,511.40 : x
  2. Step 2: Convert to fraction form
    9,268,292.80/13,902,439.20 = 6,398,511.40/x
  3. Step 3: Cross multiply
    9,268,292.80x = 13,902,439.20 × 6,398,511.40
  4. Step 4: Simplify right side
    9,268,292.80x = 88,954,915,709,006.88
  5. Step 5: Solve for x
    x = 88,954,915,709,006.88/9,268,292.80
  6. Step 6: Final answer
    x = 9,597,767.10

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Similar ratio
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1.5x scale

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.