Home / 20,157,470.94-27,819,671.48-11,456,951.39

Finding the Fourth Proportional to 20,157,470.94, 27,819,671.48 and 11,456,951.39

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Solution

The fourth proportional to 20,157,470.94, 27,819,671.48 and 11,456,951.39 is: 15,811,935.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,157,470.94 : 27,819,671.48 = 11,456,951.39 : x
  2. Step 2: Convert to fraction form
    20,157,470.94/27,819,671.48 = 11,456,951.39/x
  3. Step 3: Cross multiply
    20,157,470.94x = 27,819,671.48 × 11,456,951.39
  4. Step 4: Simplify right side
    20,157,470.94x = 318,728,623,832,129.38
  5. Step 5: Solve for x
    x = 318,728,623,832,129.38/20,157,470.94
  6. Step 6: Final answer
    x = 15,811,935.18

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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.