Home / 19,968,086.40-29,952,129.60-12,304,060.80

Finding the Fourth Proportional to 19,968,086.40, 29,952,129.60 and 12,304,060.80

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Solution

The fourth proportional to 19,968,086.40, 29,952,129.60 and 12,304,060.80 is: 18,456,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968,086.40 : 29,952,129.60 = 12,304,060.80 : x
  2. Step 2: Convert to fraction form
    19,968,086.40/29,952,129.60 = 12,304,060.80/x
  3. Step 3: Cross multiply
    19,968,086.40x = 29,952,129.60 × 12,304,060.80
  4. Step 4: Simplify right side
    19,968,086.40x = 368,532,823,687,879.75
  5. Step 5: Solve for x
    x = 368,532,823,687,879.75/19,968,086.40
  6. Step 6: Final answer
    x = 18,456,091.20

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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.