Home / 12,542,914.80-18,814,372.20-9,708,562.80

Finding the Fourth Proportional to 12,542,914.80, 18,814,372.20 and 9,708,562.80

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Solution

The fourth proportional to 12,542,914.80, 18,814,372.20 and 9,708,562.80 is: 14,562,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,542,914.80 : 18,814,372.20 = 9,708,562.80 : x
  2. Step 2: Convert to fraction form
    12,542,914.80/18,814,372.20 = 9,708,562.80/x
  3. Step 3: Cross multiply
    12,542,914.80x = 18,814,372.20 × 9,708,562.80
  4. Step 4: Simplify right side
    12,542,914.80x = 182,660,514,046,274.16
  5. Step 5: Solve for x
    x = 182,660,514,046,274.16/12,542,914.80
  6. Step 6: Final answer
    x = 14,562,844.20

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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.