Home / 19,729,296.40-29,593,944.60-10,131,293.20

Finding the Fourth Proportional to 19,729,296.40, 29,593,944.60 and 10,131,293.20

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Solution

The fourth proportional to 19,729,296.40, 29,593,944.60 and 10,131,293.20 is: 15,196,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729,296.40 : 29,593,944.60 = 10,131,293.20 : x
  2. Step 2: Convert to fraction form
    19,729,296.40/29,593,944.60 = 10,131,293.20/x
  3. Step 3: Cross multiply
    19,729,296.40x = 29,593,944.60 × 10,131,293.20
  4. Step 4: Simplify right side
    19,729,296.40x = 299,824,929,687,156.69
  5. Step 5: Solve for x
    x = 299,824,929,687,156.69/19,729,296.40
  6. Step 6: Final answer
    x = 15,196,939.80

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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.