Home / 27,897,937.68-38,499,617.88-15,339,522.72

Finding the Fourth Proportional to 27,897,937.68, 38,499,617.88 and 15,339,522.72

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Solution

The fourth proportional to 27,897,937.68, 38,499,617.88 and 15,339,522.72 is: 21,168,796.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,897,937.68 : 38,499,617.88 = 15,339,522.72 : x
  2. Step 2: Convert to fraction form
    27,897,937.68/38,499,617.88 = 15,339,522.72/x
  3. Step 3: Cross multiply
    27,897,937.68x = 38,499,617.88 × 15,339,522.72
  4. Step 4: Simplify right side
    27,897,937.68x = 590,565,763,181,578.25
  5. Step 5: Solve for x
    x = 590,565,763,181,578.25/27,897,937.68
  6. Step 6: Final answer
    x = 21,168,796.42

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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.