Home / 36,691,642.40-50,635,032.72-20,172,482.08

Finding the Fourth Proportional to 36,691,642.40, 50,635,032.72 and 20,172,482.08

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Solution

The fourth proportional to 36,691,642.40, 50,635,032.72 and 20,172,482.08 is: 27,838,336.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,691,642.40 : 50,635,032.72 = 20,172,482.08 : x
  2. Step 2: Convert to fraction form
    36,691,642.40/50,635,032.72 = 20,172,482.08/x
  3. Step 3: Cross multiply
    36,691,642.40x = 50,635,032.72 × 20,172,482.08
  4. Step 4: Simplify right side
    36,691,642.40x = 1,021,434,290,164,413.50
  5. Step 5: Solve for x
    x = 1,021,434,290,164,413.50/36,691,642.40
  6. Step 6: Final answer
    x = 27,838,336.56

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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.