Home / 15,191,973.59-20,964,922.01-8,222,650.03

Finding the Fourth Proportional to 15,191,973.59, 20,964,922.01 and 8,222,650.03

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Solution

The fourth proportional to 15,191,973.59, 20,964,922.01 and 8,222,650.03 is: 11,347,256.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,191,973.59 : 20,964,922.01 = 8,222,650.03 : x
  2. Step 2: Convert to fraction form
    15,191,973.59/20,964,922.01 = 8,222,650.03/x
  3. Step 3: Cross multiply
    15,191,973.59x = 20,964,922.01 × 8,222,650.03
  4. Step 4: Simplify right side
    15,191,973.59x = 172,387,216,489,649.56
  5. Step 5: Solve for x
    x = 172,387,216,489,649.56/15,191,973.59
  6. Step 6: Final answer
    x = 11,347,256.20

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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.