Home / 8,393,150.40-12,589,725.60-6,267,386.40

Finding the Fourth Proportional to 8,393,150.40, 12,589,725.60 and 6,267,386.40

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Solution

The fourth proportional to 8,393,150.40, 12,589,725.60 and 6,267,386.40 is: 9,401,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393,150.40 : 12,589,725.60 = 6,267,386.40 : x
  2. Step 2: Convert to fraction form
    8,393,150.40/12,589,725.60 = 6,267,386.40/x
  3. Step 3: Cross multiply
    8,393,150.40x = 12,589,725.60 × 6,267,386.40
  4. Step 4: Simplify right side
    8,393,150.40x = 78,904,675,005,171.84
  5. Step 5: Solve for x
    x = 78,904,675,005,171.84/8,393,150.40
  6. Step 6: Final answer
    x = 9,401,079.60

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Double scale
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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.