Home / 21,056,295.20-31,556,924.24-15,240,064.70

Finding the Fourth Proportional to 21,056,295.20, 31,556,924.24 and 15,240,064.70

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Solution

The fourth proportional to 21,056,295.20, 31,556,924.24 and 15,240,064.70 is: 22,840,179.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,056,295.20 : 31,556,924.24 = 15,240,064.70 : x
  2. Step 2: Convert to fraction form
    21,056,295.20/31,556,924.24 = 15,240,064.70/x
  3. Step 3: Cross multiply
    21,056,295.20x = 31,556,924.24 × 15,240,064.70
  4. Step 4: Simplify right side
    21,056,295.20x = 480,929,567,150,598.25
  5. Step 5: Solve for x
    x = 480,929,567,150,598.25/21,056,295.20
  6. Step 6: Final answer
    x = 22,840,179.75

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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.