Home / 18,973,656.30-28,418,494.05-15,614,424.30

Finding the Fourth Proportional to 18,973,656.30, 28,418,494.05 and 15,614,424.30

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Solution

The fourth proportional to 18,973,656.30, 28,418,494.05 and 15,614,424.30 is: 23,387,080.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,973,656.30 : 28,418,494.05 = 15,614,424.30 : x
  2. Step 2: Convert to fraction form
    18,973,656.30/28,418,494.05 = 15,614,424.30/x
  3. Step 3: Cross multiply
    18,973,656.30x = 28,418,494.05 × 15,614,424.30
  4. Step 4: Simplify right side
    18,973,656.30x = 443,738,424,063,725.44
  5. Step 5: Solve for x
    x = 443,738,424,063,725.44/18,973,656.30
  6. Step 6: Final answer
    x = 23,387,080.33

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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.