Home / 28,196,149.22-38,910,685.92-15,973,006.22

Finding the Fourth Proportional to 28,196,149.22, 38,910,685.92 and 15,973,006.22

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Solution

The fourth proportional to 28,196,149.22, 38,910,685.92 and 15,973,006.22 is: 22,042,748.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,196,149.22 : 38,910,685.92 = 15,973,006.22 : x
  2. Step 2: Convert to fraction form
    28,196,149.22/38,910,685.92 = 15,973,006.22/x
  3. Step 3: Cross multiply
    28,196,149.22x = 38,910,685.92 × 15,973,006.22
  4. Step 4: Simplify right side
    28,196,149.22x = 621,520,628,205,953.38
  5. Step 5: Solve for x
    x = 621,520,628,205,953.38/28,196,149.22
  6. Step 6: Final answer
    x = 22,042,748.58

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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.