Home / 12,343,005.60-18,514,508.40-5,152,149.60

Finding the Fourth Proportional to 12,343,005.60, 18,514,508.40 and 5,152,149.60

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Solution

The fourth proportional to 12,343,005.60, 18,514,508.40 and 5,152,149.60 is: 7,728,224.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343,005.60 : 18,514,508.40 = 5,152,149.60 : x
  2. Step 2: Convert to fraction form
    12,343,005.60/18,514,508.40 = 5,152,149.60/x
  3. Step 3: Cross multiply
    12,343,005.60x = 18,514,508.40 × 5,152,149.60
  4. Step 4: Simplify right side
    12,343,005.60x = 95,389,517,047,256.62
  5. Step 5: Solve for x
    x = 95,389,517,047,256.62/12,343,005.60
  6. Step 6: Final answer
    x = 7,728,224.40

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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.