Home / 12,514,287.60-18,771,431.40-5,324,014.80

Finding the Fourth Proportional to 12,514,287.60, 18,771,431.40 and 5,324,014.80

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Solution

The fourth proportional to 12,514,287.60, 18,771,431.40 and 5,324,014.80 is: 7,986,022.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,514,287.60 : 18,771,431.40 = 5,324,014.80 : x
  2. Step 2: Convert to fraction form
    12,514,287.60/18,771,431.40 = 5,324,014.80/x
  3. Step 3: Cross multiply
    12,514,287.60x = 18,771,431.40 × 5,324,014.80
  4. Step 4: Simplify right side
    12,514,287.60x = 99,939,378,590,784.70
  5. Step 5: Solve for x
    x = 99,939,378,590,784.70/12,514,287.60
  6. Step 6: Final answer
    x = 7,986,022.20

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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.