Home / 36,602,369.28-50,511,265.38-20,921,728.61

Finding the Fourth Proportional to 36,602,369.28, 50,511,265.38 and 20,921,728.61

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Solution

The fourth proportional to 36,602,369.28, 50,511,265.38 and 20,921,728.61 is: 28,871,983.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,602,369.28 : 50,511,265.38 = 20,921,728.61 : x
  2. Step 2: Convert to fraction form
    36,602,369.28/50,511,265.38 = 20,921,728.61/x
  3. Step 3: Cross multiply
    36,602,369.28x = 50,511,265.38 × 20,921,728.61
  4. Step 4: Simplify right side
    36,602,369.28x = 1,056,782,986,154,326.75
  5. Step 5: Solve for x
    x = 1,056,782,986,154,326.75/36,602,369.28
  6. Step 6: Final answer
    x = 28,871,983.07

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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.