Home / 38,109,286.08-52,591,293.11-20,705,921.94

Finding the Fourth Proportional to 38,109,286.08, 52,591,293.11 and 20,705,921.94

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Solution

The fourth proportional to 38,109,286.08, 52,591,293.11 and 20,705,921.94 is: 28,574,432.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,109,286.08 : 52,591,293.11 = 20,705,921.94 : x
  2. Step 2: Convert to fraction form
    38,109,286.08/52,591,293.11 = 20,705,921.94/x
  3. Step 3: Cross multiply
    38,109,286.08x = 52,591,293.11 × 20,705,921.94
  4. Step 4: Simplify right side
    38,109,286.08x = 1,088,951,209,755,790.25
  5. Step 5: Solve for x
    x = 1,088,951,209,755,790.25/38,109,286.08
  6. Step 6: Final answer
    x = 28,574,432.16

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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.