Home / 13,886,144.32-19,162,665.12-7,774,791.52

Finding the Fourth Proportional to 13,886,144.32, 19,162,665.12 and 7,774,791.52

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Solution

The fourth proportional to 13,886,144.32, 19,162,665.12 and 7,774,791.52 is: 10,729,092.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886,144.32 : 19,162,665.12 = 7,774,791.52 : x
  2. Step 2: Convert to fraction form
    13,886,144.32/19,162,665.12 = 7,774,791.52/x
  3. Step 3: Cross multiply
    13,886,144.32x = 19,162,665.12 × 7,774,791.52
  4. Step 4: Simplify right side
    13,886,144.32x = 148,985,726,275,575.78
  5. Step 5: Solve for x
    x = 148,985,726,275,575.78/13,886,144.32
  6. Step 6: Final answer
    x = 10,729,092.46

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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.