Home / 20,043,001.16-30,049,780.79-6,388,286.84

Finding the Fourth Proportional to 20,043,001.16, 30,049,780.79 and 6,388,286.84

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Solution

The fourth proportional to 20,043,001.16, 30,049,780.79 and 6,388,286.84 is: 9,577,738.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,043,001.16 : 30,049,780.79 = 6,388,286.84 : x
  2. Step 2: Convert to fraction form
    20,043,001.16/30,049,780.79 = 6,388,286.84/x
  3. Step 3: Cross multiply
    20,043,001.16x = 30,049,780.79 × 6,388,286.84
  4. Step 4: Simplify right side
    20,043,001.16x = 191,966,618,983,451.47
  5. Step 5: Solve for x
    x = 191,966,618,983,451.47/20,043,001.16
  6. Step 6: Final answer
    x = 9,577,738.26

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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.