Home / 13,411,601.82-20,120,402.34-4,891,938.28

Finding the Fourth Proportional to 13,411,601.82, 20,120,402.34 and 4,891,938.28

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Solution

The fourth proportional to 13,411,601.82, 20,120,402.34 and 4,891,938.28 is: 7,339,001.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411,601.82 : 20,120,402.34 = 4,891,938.28 : x
  2. Step 2: Convert to fraction form
    13,411,601.82/20,120,402.34 = 4,891,938.28/x
  3. Step 3: Cross multiply
    13,411,601.82x = 20,120,402.34 × 4,891,938.28
  4. Step 4: Simplify right side
    13,411,601.82x = 98,427,766,365,746.56
  5. Step 5: Solve for x
    x = 98,427,766,365,746.56/13,411,601.82
  6. Step 6: Final answer
    x = 7,339,001.54

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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.