Home / 31,161,907.72-43,005,657.96-17,222,962.96

Finding the Fourth Proportional to 31,161,907.72, 43,005,657.96 and 17,222,962.96

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Solution

The fourth proportional to 31,161,907.72, 43,005,657.96 and 17,222,962.96 is: 23,768,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,161,907.72 : 43,005,657.96 = 17,222,962.96 : x
  2. Step 2: Convert to fraction form
    31,161,907.72/43,005,657.96 = 17,222,962.96/x
  3. Step 3: Cross multiply
    31,161,907.72x = 43,005,657.96 × 17,222,962.96
  4. Step 4: Simplify right side
    31,161,907.72x = 740,684,854,115,509.25
  5. Step 5: Solve for x
    x = 740,684,854,115,509.25/31,161,907.72
  6. Step 6: Final answer
    x = 23,768,918.80

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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.