Home / 20,469,065.07-30,703,473.66-5,116,277.70

Finding the Fourth Proportional to 20,469,065.07, 30,703,473.66 and 5,116,277.70

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Solution

The fourth proportional to 20,469,065.07, 30,703,473.66 and 5,116,277.70 is: 7,674,385.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,469,065.07 : 30,703,473.66 = 5,116,277.70 : x
  2. Step 2: Convert to fraction form
    20,469,065.07/30,703,473.66 = 5,116,277.70/x
  3. Step 3: Cross multiply
    20,469,065.07x = 30,703,473.66 × 5,116,277.70
  4. Step 4: Simplify right side
    20,469,065.07x = 157,087,497,599,195.38
  5. Step 5: Solve for x
    x = 157,087,497,599,195.38/20,469,065.07
  6. Step 6: Final answer
    x = 7,674,385.57

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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.