Home / 15,063,782-20,798,029.16-11,572,903.52

Finding the Fourth Proportional to 15,063,782, 20,798,029.16 and 11,572,903.52

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Solution

The fourth proportional to 15,063,782, 20,798,029.16 and 11,572,903.52 is: 15,978,297.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,063,782 : 20,798,029.16 = 11,572,903.52 : x
  2. Step 2: Convert to fraction form
    15,063,782/20,798,029.16 = 11,572,903.52/x
  3. Step 3: Cross multiply
    15,063,782x = 20,798,029.16 × 11,572,903.52
  4. Step 4: Simplify right side
    15,063,782x = 240,693,584,874,826.62
  5. Step 5: Solve for x
    x = 240,693,584,874,826.62/15,063,782
  6. Step 6: Final answer
    x = 15,978,297.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.