Home / 21,480,836.37-29,643,552.54-11,691,350.75

Finding the Fourth Proportional to 21,480,836.37, 29,643,552.54 and 11,691,350.75

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Solution

The fourth proportional to 21,480,836.37, 29,643,552.54 and 11,691,350.75 is: 16,134,063.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,480,836.37 : 29,643,552.54 = 11,691,350.75 : x
  2. Step 2: Convert to fraction form
    21,480,836.37/29,643,552.54 = 11,691,350.75/x
  3. Step 3: Cross multiply
    21,480,836.37x = 29,643,552.54 × 11,691,350.75
  4. Step 4: Simplify right side
    21,480,836.37x = 346,573,170,072,975.62
  5. Step 5: Solve for x
    x = 346,573,170,072,975.62/21,480,836.37
  6. Step 6: Final answer
    x = 16,134,063.13

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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.