Home / 13,788,049.10-20,682,073.65-9,164,512.40

Finding the Fourth Proportional to 13,788,049.10, 20,682,073.65 and 9,164,512.40

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Solution

The fourth proportional to 13,788,049.10, 20,682,073.65 and 9,164,512.40 is: 13,746,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,788,049.10 : 20,682,073.65 = 9,164,512.40 : x
  2. Step 2: Convert to fraction form
    13,788,049.10/20,682,073.65 = 9,164,512.40/x
  3. Step 3: Cross multiply
    13,788,049.10x = 20,682,073.65 × 9,164,512.40
  4. Step 4: Simplify right side
    13,788,049.10x = 189,541,120,423,138.25
  5. Step 5: Solve for x
    x = 189,541,120,423,138.25/13,788,049.10
  6. Step 6: Final answer
    x = 13,746,768.60

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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.