Home / 36,184,013.60-54,276,020.40-20,878,512.80

Finding the Fourth Proportional to 36,184,013.60, 54,276,020.40 and 20,878,512.80

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Solution

The fourth proportional to 36,184,013.60, 54,276,020.40 and 20,878,512.80 is: 31,317,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,184,013.60 : 54,276,020.40 = 20,878,512.80 : x
  2. Step 2: Convert to fraction form
    36,184,013.60/54,276,020.40 = 20,878,512.80/x
  3. Step 3: Cross multiply
    36,184,013.60x = 54,276,020.40 × 20,878,512.80
  4. Step 4: Simplify right side
    36,184,013.60x = 1,133,202,586,654,461.25
  5. Step 5: Solve for x
    x = 1,133,202,586,654,461.25/36,184,013.60
  6. Step 6: Final answer
    x = 31,317,769.20

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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.