Home / 13,394,772-20,092,159.08-3,939,156

Finding the Fourth Proportional to 13,394,772, 20,092,159.08 and 3,939,156

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Solution

The fourth proportional to 13,394,772, 20,092,159.08 and 3,939,156 is: 5,908,734.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394,772 : 20,092,159.08 = 3,939,156 : x
  2. Step 2: Convert to fraction form
    13,394,772/20,092,159.08 = 3,939,156/x
  3. Step 3: Cross multiply
    13,394,772x = 20,092,159.08 × 3,939,156
  4. Step 4: Simplify right side
    13,394,772x = 79,146,148,992,936.47
  5. Step 5: Solve for x
    x = 79,146,148,992,936.47/13,394,772
  6. Step 6: Final answer
    x = 5,908,734.32

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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.