Home / 8,085,252.40-12,127,878.60-3,290,473.60

Finding the Fourth Proportional to 8,085,252.40, 12,127,878.60 and 3,290,473.60

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Solution

The fourth proportional to 8,085,252.40, 12,127,878.60 and 3,290,473.60 is: 4,935,710.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,252.40 : 12,127,878.60 = 3,290,473.60 : x
  2. Step 2: Convert to fraction form
    8,085,252.40/12,127,878.60 = 3,290,473.60/x
  3. Step 3: Cross multiply
    8,085,252.40x = 12,127,878.60 × 3,290,473.60
  4. Step 4: Simplify right side
    8,085,252.40x = 39,906,464,357,304.96
  5. Step 5: Solve for x
    x = 39,906,464,357,304.96/8,085,252.40
  6. Step 6: Final answer
    x = 4,935,710.40

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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.