Home / 13,749,040.76-20,623,429.80-8,359,179.24

Finding the Fourth Proportional to 13,749,040.76, 20,623,429.80 and 8,359,179.24

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Solution

The fourth proportional to 13,749,040.76, 20,623,429.80 and 8,359,179.24 is: 12,538,689.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749,040.76 : 20,623,429.80 = 8,359,179.24 : x
  2. Step 2: Convert to fraction form
    13,749,040.76/20,623,429.80 = 8,359,179.24/x
  3. Step 3: Cross multiply
    13,749,040.76x = 20,623,429.80 × 8,359,179.24
  4. Step 4: Simplify right side
    13,749,040.76x = 172,394,946,241,757.38
  5. Step 5: Solve for x
    x = 172,394,946,241,757.38/13,749,040.76
  6. Step 6: Final answer
    x = 12,538,689.01

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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.