Home / 13,749,037-20,623,424.19-8,359,175.50

Finding the Fourth Proportional to 13,749,037, 20,623,424.19 and 8,359,175.50

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Solution

The fourth proportional to 13,749,037, 20,623,424.19 and 8,359,175.50 is: 12,538,683.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749,037 : 20,623,424.19 = 8,359,175.50 : x
  2. Step 2: Convert to fraction form
    13,749,037/20,623,424.19 = 8,359,175.50/x
  3. Step 3: Cross multiply
    13,749,037x = 20,623,424.19 × 8,359,175.50
  4. Step 4: Simplify right side
    13,749,037x = 172,394,822,215,155.34
  5. Step 5: Solve for x
    x = 172,394,822,215,155.34/13,749,037
  6. Step 6: Final answer
    x = 12,538,683.42

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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.