Home / 13,491,596.31-20,238,812.73-4,394,402.79

Finding the Fourth Proportional to 13,491,596.31, 20,238,812.73 and 4,394,402.79

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Solution

The fourth proportional to 13,491,596.31, 20,238,812.73 and 4,394,402.79 is: 6,592,066.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,491,596.31 : 20,238,812.73 = 4,394,402.79 : x
  2. Step 2: Convert to fraction form
    13,491,596.31/20,238,812.73 = 4,394,402.79/x
  3. Step 3: Cross multiply
    13,491,596.31x = 20,238,812.73 × 4,394,402.79
  4. Step 4: Simplify right side
    13,491,596.31x = 88,937,495,126,999.52
  5. Step 5: Solve for x
    x = 88,937,495,126,999.52/13,491,596.31
  6. Step 6: Final answer
    x = 6,592,066.13

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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.