Home / 20,387,797.52-28,134,644.04-11,094,972.56

Finding the Fourth Proportional to 20,387,797.52, 28,134,644.04 and 11,094,972.56

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Solution

The fourth proportional to 20,387,797.52, 28,134,644.04 and 11,094,972.56 is: 15,310,781.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,387,797.52 : 28,134,644.04 = 11,094,972.56 : x
  2. Step 2: Convert to fraction form
    20,387,797.52/28,134,644.04 = 11,094,972.56/x
  3. Step 3: Cross multiply
    20,387,797.52x = 28,134,644.04 × 11,094,972.56
  4. Step 4: Simplify right side
    20,387,797.52x = 312,153,103,609,167.56
  5. Step 5: Solve for x
    x = 312,153,103,609,167.56/20,387,797.52
  6. Step 6: Final answer
    x = 15,310,781.03

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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.