Home / 8,179,352.40-11,288,346.24-4,917,223.20

Finding the Fourth Proportional to 8,179,352.40, 11,288,346.24 and 4,917,223.20

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Solution

The fourth proportional to 8,179,352.40, 11,288,346.24 and 4,917,223.20 is: 6,786,272.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179,352.40 : 11,288,346.24 = 4,917,223.20 : x
  2. Step 2: Convert to fraction form
    8,179,352.40/11,288,346.24 = 4,917,223.20/x
  3. Step 3: Cross multiply
    8,179,352.40x = 11,288,346.24 × 4,917,223.20
  4. Step 4: Simplify right side
    8,179,352.40x = 55,507,318,020,960.77
  5. Step 5: Solve for x
    x = 55,507,318,020,960.77/8,179,352.40
  6. Step 6: Final answer
    x = 6,786,272.96

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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.