Home / 10,311,396.09-14,229,964.04-5,665,470.89

Finding the Fourth Proportional to 10,311,396.09, 14,229,964.04 and 5,665,470.89

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Solution

The fourth proportional to 10,311,396.09, 14,229,964.04 and 5,665,470.89 is: 7,818,480.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311,396.09 : 14,229,964.04 = 5,665,470.89 : x
  2. Step 2: Convert to fraction form
    10,311,396.09/14,229,964.04 = 5,665,470.89/x
  3. Step 3: Cross multiply
    10,311,396.09x = 14,229,964.04 × 5,665,470.89
  4. Step 4: Simplify right side
    10,311,396.09x = 80,619,446,934,889.62
  5. Step 5: Solve for x
    x = 80,619,446,934,889.62/10,311,396.09
  6. Step 6: Final answer
    x = 7,818,480.28

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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.