Home / 36,679,937.60-55,019,906.40-21,374,436.80

Finding the Fourth Proportional to 36,679,937.60, 55,019,906.40 and 21,374,436.80

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Solution

The fourth proportional to 36,679,937.60, 55,019,906.40 and 21,374,436.80 is: 32,061,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,679,937.60 : 55,019,906.40 = 21,374,436.80 : x
  2. Step 2: Convert to fraction form
    36,679,937.60/55,019,906.40 = 21,374,436.80/x
  3. Step 3: Cross multiply
    36,679,937.60x = 55,019,906.40 × 21,374,436.80
  4. Step 4: Simplify right side
    36,679,937.60x = 1,176,019,512,088,715.50
  5. Step 5: Solve for x
    x = 1,176,019,512,088,715.50/36,679,937.60
  6. Step 6: Final answer
    x = 32,061,655.20

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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.