Home / 23,109,765.53-31,891,086.68-12,796,267.19

Finding the Fourth Proportional to 23,109,765.53, 31,891,086.68 and 12,796,267.19

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Solution

The fourth proportional to 23,109,765.53, 31,891,086.68 and 12,796,267.19 is: 17,658,632.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,109,765.53 : 31,891,086.68 = 12,796,267.19 : x
  2. Step 2: Convert to fraction form
    23,109,765.53/31,891,086.68 = 12,796,267.19/x
  3. Step 3: Cross multiply
    23,109,765.53x = 31,891,086.68 × 12,796,267.19
  4. Step 4: Simplify right side
    23,109,765.53x = 408,086,865,913,293.31
  5. Step 5: Solve for x
    x = 408,086,865,913,293.31/23,109,765.53
  6. Step 6: Final answer
    x = 17,658,632.90

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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.