Home / 8,085,364.30-12,128,046.45-6,650,473.60

Finding the Fourth Proportional to 8,085,364.30, 12,128,046.45 and 6,650,473.60

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Solution

The fourth proportional to 8,085,364.30, 12,128,046.45 and 6,650,473.60 is: 9,975,710.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,364.30 : 12,128,046.45 = 6,650,473.60 : x
  2. Step 2: Convert to fraction form
    8,085,364.30/12,128,046.45 = 6,650,473.60/x
  3. Step 3: Cross multiply
    8,085,364.30x = 12,128,046.45 × 6,650,473.60
  4. Step 4: Simplify right side
    8,085,364.30x = 80,657,252,735,298.70
  5. Step 5: Solve for x
    x = 80,657,252,735,298.70/8,085,364.30
  6. Step 6: Final answer
    x = 9,975,710.40

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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.