Home / 38,290,097.76-52,840,672.16-20,886,520.38

Finding the Fourth Proportional to 38,290,097.76, 52,840,672.16 and 20,886,520.38

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Solution

The fourth proportional to 38,290,097.76, 52,840,672.16 and 20,886,520.38 is: 28,823,582.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,290,097.76 : 52,840,672.16 = 20,886,520.38 : x
  2. Step 2: Convert to fraction form
    38,290,097.76/52,840,672.16 = 20,886,520.38/x
  3. Step 3: Cross multiply
    38,290,097.76x = 52,840,672.16 × 20,886,520.38
  4. Step 4: Simplify right side
    38,290,097.76x = 1,103,657,775,858,306
  5. Step 5: Solve for x
    x = 1,103,657,775,858,306/38,290,097.76
  6. Step 6: Final answer
    x = 28,823,582.09

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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.