Home / 15,320,351.07-21,142,079.33-8,444,947.95

Finding the Fourth Proportional to 15,320,351.07, 21,142,079.33 and 8,444,947.95

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Solution

The fourth proportional to 15,320,351.07, 21,142,079.33 and 8,444,947.95 is: 11,654,025.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,320,351.07 : 21,142,079.33 = 8,444,947.95 : x
  2. Step 2: Convert to fraction form
    15,320,351.07/21,142,079.33 = 8,444,947.95/x
  3. Step 3: Cross multiply
    15,320,351.07x = 21,142,079.33 × 8,444,947.95
  4. Step 4: Simplify right side
    15,320,351.07x = 178,543,759,454,396.12
  5. Step 5: Solve for x
    x = 178,543,759,454,396.12/15,320,351.07
  6. Step 6: Final answer
    x = 11,654,025.33

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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.