Home / 21,056,293.20-31,556,921.25-15,240,062.70

Finding the Fourth Proportional to 21,056,293.20, 31,556,921.25 and 15,240,062.70

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Solution

The fourth proportional to 21,056,293.20, 31,556,921.25 and 15,240,062.70 is: 22,840,176.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,056,293.20 : 31,556,921.25 = 15,240,062.70 : x
  2. Step 2: Convert to fraction form
    21,056,293.20/31,556,921.25 = 15,240,062.70/x
  3. Step 3: Cross multiply
    21,056,293.20x = 31,556,921.25 × 15,240,062.70
  4. Step 4: Simplify right side
    21,056,293.20x = 480,929,458,468,962.38
  5. Step 5: Solve for x
    x = 480,929,458,468,962.38/21,056,293.20
  6. Step 6: Final answer
    x = 22,840,176.75

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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.