Home / 4,758,668.16-7,138,006.80-3,915,447.36

Finding the Fourth Proportional to 4,758,668.16, 7,138,006.80 and 3,915,447.36

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Solution

The fourth proportional to 4,758,668.16, 7,138,006.80 and 3,915,447.36 is: 5,873,174.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758,668.16 : 7,138,006.80 = 3,915,447.36 : x
  2. Step 2: Convert to fraction form
    4,758,668.16/7,138,006.80 = 3,915,447.36/x
  3. Step 3: Cross multiply
    4,758,668.16x = 7,138,006.80 × 3,915,447.36
  4. Step 4: Simplify right side
    4,758,668.16x = 27,948,489,880,722.05
  5. Step 5: Solve for x
    x = 27,948,489,880,722.05/4,758,668.16
  6. Step 6: Final answer
    x = 5,873,174.79

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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.