Home / 20,368,318.65-28,107,424.09-11,548,363.26

Finding the Fourth Proportional to 20,368,318.65, 28,107,424.09 and 11,548,363.26

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Solution

The fourth proportional to 20,368,318.65, 28,107,424.09 and 11,548,363.26 is: 15,936,256.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,368,318.65 : 28,107,424.09 = 11,548,363.26 : x
  2. Step 2: Convert to fraction form
    20,368,318.65/28,107,424.09 = 11,548,363.26/x
  3. Step 3: Cross multiply
    20,368,318.65x = 28,107,424.09 × 11,548,363.26
  4. Step 4: Simplify right side
    20,368,318.65x = 324,594,743,670,035.62
  5. Step 5: Solve for x
    x = 324,594,743,670,035.62/20,368,318.65
  6. Step 6: Final answer
    x = 15,936,256.17

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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.