Home / 10,109,922.80-15,164,884.20-9,102,153.20

Finding the Fourth Proportional to 10,109,922.80, 15,164,884.20 and 9,102,153.20

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Solution

The fourth proportional to 10,109,922.80, 15,164,884.20 and 9,102,153.20 is: 13,653,229.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109,922.80 : 15,164,884.20 = 9,102,153.20 : x
  2. Step 2: Convert to fraction form
    10,109,922.80/15,164,884.20 = 9,102,153.20/x
  3. Step 3: Cross multiply
    10,109,922.80x = 15,164,884.20 × 9,102,153.20
  4. Step 4: Simplify right side
    10,109,922.80x = 138,033,099,248,659.42
  5. Step 5: Solve for x
    x = 138,033,099,248,659.42/10,109,922.80
  6. Step 6: Final answer
    x = 13,653,229.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.