Home / 11,143,650.54-15,380,443.17-7,228,258.98

Finding the Fourth Proportional to 11,143,650.54, 15,380,443.17 and 7,228,258.98

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Solution

The fourth proportional to 11,143,650.54, 15,380,443.17 and 7,228,258.98 is: 9,976,427.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,143,650.54 : 15,380,443.17 = 7,228,258.98 : x
  2. Step 2: Convert to fraction form
    11,143,650.54/15,380,443.17 = 7,228,258.98/x
  3. Step 3: Cross multiply
    11,143,650.54x = 15,380,443.17 × 7,228,258.98
  4. Step 4: Simplify right side
    11,143,650.54x = 111,173,826,459,932.17
  5. Step 5: Solve for x
    x = 111,173,826,459,932.17/11,143,650.54
  6. Step 6: Final answer
    x = 9,976,427.93

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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.