Home / 10,131,782.15-13,981,865.27-5,548,103.52

Finding the Fourth Proportional to 10,131,782.15, 13,981,865.27 and 5,548,103.52

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Solution

The fourth proportional to 10,131,782.15, 13,981,865.27 and 5,548,103.52 is: 7,656,386.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131,782.15 : 13,981,865.27 = 5,548,103.52 : x
  2. Step 2: Convert to fraction form
    10,131,782.15/13,981,865.27 = 5,548,103.52/x
  3. Step 3: Cross multiply
    10,131,782.15x = 13,981,865.27 × 5,548,103.52
  4. Step 4: Simplify right side
    10,131,782.15x = 77,572,835,892,912.23
  5. Step 5: Solve for x
    x = 77,572,835,892,912.23/10,131,782.15
  6. Step 6: Final answer
    x = 7,656,386.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.