Home / 36,365,920.80-54,482,726.88-21,173,794.08

Finding the Fourth Proportional to 36,365,920.80, 54,482,726.88 and 21,173,794.08

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Solution

The fourth proportional to 36,365,920.80, 54,482,726.88 and 21,173,794.08 is: 31,722,173.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,365,920.80 : 54,482,726.88 = 21,173,794.08 : x
  2. Step 2: Convert to fraction form
    36,365,920.80/54,482,726.88 = 21,173,794.08/x
  3. Step 3: Cross multiply
    36,365,920.80x = 54,482,726.88 × 21,173,794.08
  4. Step 4: Simplify right side
    36,365,920.80x = 1,153,606,039,874,000.75
  5. Step 5: Solve for x
    x = 1,153,606,039,874,000.75/36,365,920.80
  6. Step 6: Final answer
    x = 31,722,173.25

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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.