Home / 22,142,081.80-33,213,122.70-21,291,776.20

Finding the Fourth Proportional to 22,142,081.80, 33,213,122.70 and 21,291,776.20

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Solution

The fourth proportional to 22,142,081.80, 33,213,122.70 and 21,291,776.20 is: 31,937,664.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,142,081.80 : 33,213,122.70 = 21,291,776.20 : x
  2. Step 2: Convert to fraction form
    22,142,081.80/33,213,122.70 = 21,291,776.20/x
  3. Step 3: Cross multiply
    22,142,081.80x = 33,213,122.70 × 21,291,776.20
  4. Step 4: Simplify right side
    22,142,081.80x = 707,166,375,431,539.75
  5. Step 5: Solve for x
    x = 707,166,375,431,539.75/22,142,081.80
  6. Step 6: Final answer
    x = 31,937,664.30

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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.