Home / 19,972,895.26-27,456,789.95-17,171,698.88

Finding the Fourth Proportional to 19,972,895.26, 27,456,789.95 and 17,171,698.88

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Solution

The fourth proportional to 19,972,895.26, 27,456,789.95 and 17,171,698.88 is: 23,605,978.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972,895.26 : 27,456,789.95 = 17,171,698.88 : x
  2. Step 2: Convert to fraction form
    19,972,895.26/27,456,789.95 = 17,171,698.88/x
  3. Step 3: Cross multiply
    19,972,895.26x = 27,456,789.95 × 17,171,698.88
  4. Step 4: Simplify right side
    19,972,895.26x = 471,479,729,232,810.19
  5. Step 5: Solve for x
    x = 471,479,729,232,810.19/19,972,895.26
  6. Step 6: Final answer
    x = 23,605,978.16

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.