Home / 12,231,986.40-18,347,979.60-11,014,264.80

Finding the Fourth Proportional to 12,231,986.40, 18,347,979.60 and 11,014,264.80

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Solution

The fourth proportional to 12,231,986.40, 18,347,979.60 and 11,014,264.80 is: 16,521,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231,986.40 : 18,347,979.60 = 11,014,264.80 : x
  2. Step 2: Convert to fraction form
    12,231,986.40/18,347,979.60 = 11,014,264.80/x
  3. Step 3: Cross multiply
    12,231,986.40x = 18,347,979.60 × 11,014,264.80
  4. Step 4: Simplify right side
    12,231,986.40x = 202,089,505,859,398.12
  5. Step 5: Solve for x
    x = 202,089,505,859,398.12/12,231,986.40
  6. Step 6: Final answer
    x = 16,521,397.20

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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.