Home / 20,078,433.38-27,710,600.03-11,929,671.38

Finding the Fourth Proportional to 20,078,433.38, 27,710,600.03 and 11,929,671.38

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Solution

The fourth proportional to 20,078,433.38, 27,710,600.03 and 11,929,671.38 is: 16,464,349.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,078,433.38 : 27,710,600.03 = 11,929,671.38 : x
  2. Step 2: Convert to fraction form
    20,078,433.38/27,710,600.03 = 11,929,671.38/x
  3. Step 3: Cross multiply
    20,078,433.38x = 27,710,600.03 × 11,929,671.38
  4. Step 4: Simplify right side
    20,078,433.38x = 330,578,351,902,316.75
  5. Step 5: Solve for x
    x = 330,578,351,902,316.75/20,078,433.38
  6. Step 6: Final answer
    x = 16,464,349.87

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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.