Home / 13,749,038-20,623,425.68-8,359,176.50

Finding the Fourth Proportional to 13,749,038, 20,623,425.68 and 8,359,176.50

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Solution

The fourth proportional to 13,749,038, 20,623,425.68 and 8,359,176.50 is: 12,538,684.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749,038 : 20,623,425.68 = 8,359,176.50 : x
  2. Step 2: Convert to fraction form
    13,749,038/20,623,425.68 = 8,359,176.50/x
  3. Step 3: Cross multiply
    13,749,038x = 20,623,425.68 × 8,359,176.50
  4. Step 4: Simplify right side
    13,749,038x = 172,394,855,293,752.53
  5. Step 5: Solve for x
    x = 172,394,855,293,752.53/13,749,038
  6. Step 6: Final answer
    x = 12,538,684.91

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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.