Home / 19,729,298.40-29,593,947.60-10,131,295.20

Finding the Fourth Proportional to 19,729,298.40, 29,593,947.60 and 10,131,295.20

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Solution

The fourth proportional to 19,729,298.40, 29,593,947.60 and 10,131,295.20 is: 15,196,942.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729,298.40 : 29,593,947.60 = 10,131,295.20 : x
  2. Step 2: Convert to fraction form
    19,729,298.40/29,593,947.60 = 10,131,295.20/x
  3. Step 3: Cross multiply
    19,729,298.40x = 29,593,947.60 × 10,131,295.20
  4. Step 4: Simplify right side
    19,729,298.40x = 299,825,019,268,931.50
  5. Step 5: Solve for x
    x = 299,825,019,268,931.50/19,729,298.40
  6. Step 6: Final answer
    x = 15,196,942.80

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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.