Home / 5,514,456.80-8,271,685.20-4,238,998.40

Finding the Fourth Proportional to 5,514,456.80, 8,271,685.20 and 4,238,998.40

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Solution

The fourth proportional to 5,514,456.80, 8,271,685.20 and 4,238,998.40 is: 6,358,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514,456.80 : 8,271,685.20 = 4,238,998.40 : x
  2. Step 2: Convert to fraction form
    5,514,456.80/8,271,685.20 = 4,238,998.40/x
  3. Step 3: Cross multiply
    5,514,456.80x = 8,271,685.20 × 4,238,998.40
  4. Step 4: Simplify right side
    5,514,456.80x = 35,063,660,328,103.68
  5. Step 5: Solve for x
    x = 35,063,660,328,103.68/5,514,456.80
  6. Step 6: Final answer
    x = 6,358,497.60

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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.