Home / 28,458,036.06-42,687,112.41-13,322,596.38

Finding the Fourth Proportional to 28,458,036.06, 42,687,112.41 and 13,322,596.38

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Solution

The fourth proportional to 28,458,036.06, 42,687,112.41 and 13,322,596.38 is: 19,983,921.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,458,036.06 : 42,687,112.41 = 13,322,596.38 : x
  2. Step 2: Convert to fraction form
    28,458,036.06/42,687,112.41 = 13,322,596.38/x
  3. Step 3: Cross multiply
    28,458,036.06x = 42,687,112.41 × 13,322,596.38
  4. Step 4: Simplify right side
    28,458,036.06x = 568,703,169,266,119.12
  5. Step 5: Solve for x
    x = 568,703,169,266,119.12/28,458,036.06
  6. Step 6: Final answer
    x = 19,983,921.87

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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.