Home / 31,161,832.78-43,005,555.82-17,222,888.04

Finding the Fourth Proportional to 31,161,832.78, 43,005,555.82 and 17,222,888.04

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Solution

The fourth proportional to 31,161,832.78, 43,005,555.82 and 17,222,888.04 is: 23,768,816.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,161,832.78 : 43,005,555.82 = 17,222,888.04 : x
  2. Step 2: Convert to fraction form
    31,161,832.78/43,005,555.82 = 17,222,888.04/x
  3. Step 3: Cross multiply
    31,161,832.78x = 43,005,555.82 × 17,222,888.04
  4. Step 4: Simplify right side
    31,161,832.78x = 740,679,872,985,830.38
  5. Step 5: Solve for x
    x = 740,679,872,985,830.38/31,161,832.78
  6. Step 6: Final answer
    x = 23,768,816.11

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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.