Home / 31,129,365.47-42,958,075.92-17,191,310.33

Finding the Fourth Proportional to 31,129,365.47, 42,958,075.92 and 17,191,310.33

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Solution

The fourth proportional to 31,129,365.47, 42,958,075.92 and 17,191,310.33 is: 23,723,760.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,129,365.47 : 42,958,075.92 = 17,191,310.33 : x
  2. Step 2: Convert to fraction form
    31,129,365.47/42,958,075.92 = 17,191,310.33/x
  3. Step 3: Cross multiply
    31,129,365.47x = 42,958,075.92 × 17,191,310.33
  4. Step 4: Simplify right side
    31,129,365.47x = 738,505,614,320,420.25
  5. Step 5: Solve for x
    x = 738,505,614,320,420.25/31,129,365.47
  6. Step 6: Final answer
    x = 23,723,760.61

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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.