Home / 38,180,187.20-52,689,767.09-20,777,654.72

Finding the Fourth Proportional to 38,180,187.20, 52,689,767.09 and 20,777,654.72

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Solution

The fourth proportional to 38,180,187.20, 52,689,767.09 and 20,777,654.72 is: 28,673,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,180,187.20 : 52,689,767.09 = 20,777,654.72 : x
  2. Step 2: Convert to fraction form
    38,180,187.20/52,689,767.09 = 20,777,654.72/x
  3. Step 3: Cross multiply
    38,180,187.20x = 52,689,767.09 × 20,777,654.72
  4. Step 4: Simplify right side
    38,180,187.20x = 1,094,769,787,901,075.38
  5. Step 5: Solve for x
    x = 1,094,769,787,901,075.38/38,180,187.20
  6. Step 6: Final answer
    x = 28,673,766.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.