Home / 12,912,785.32-19,361,944.14-5,988,840.52

Finding the Fourth Proportional to 12,912,785.32, 19,361,944.14 and 5,988,840.52

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Solution

The fourth proportional to 12,912,785.32, 19,361,944.14 and 5,988,840.52 is: 8,979,905.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,912,785.32 : 19,361,944.14 = 5,988,840.52 : x
  2. Step 2: Convert to fraction form
    12,912,785.32/19,361,944.14 = 5,988,840.52/x
  3. Step 3: Cross multiply
    12,912,785.32x = 19,361,944.14 × 5,988,840.52
  4. Step 4: Simplify right side
    12,912,785.32x = 115,955,595,611,608.55
  5. Step 5: Solve for x
    x = 115,955,595,611,608.55/12,912,785.32
  6. Step 6: Final answer
    x = 8,979,905.79

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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.