Home / 8,312,777.52-11,479,556.42-7,859,896.32

Finding the Fourth Proportional to 8,312,777.52, 11,479,556.42 and 7,859,896.32

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Solution

The fourth proportional to 8,312,777.52, 11,479,556.42 and 7,859,896.32 is: 10,854,148.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312,777.52 : 11,479,556.42 = 7,859,896.32 : x
  2. Step 2: Convert to fraction form
    8,312,777.52/11,479,556.42 = 7,859,896.32/x
  3. Step 3: Cross multiply
    8,312,777.52x = 11,479,556.42 × 7,859,896.32
  4. Step 4: Simplify right side
    8,312,777.52x = 90,228,123,221,490.89
  5. Step 5: Solve for x
    x = 90,228,123,221,490.89/8,312,777.52
  6. Step 6: Final answer
    x = 10,854,148.69

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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.