Home / 8,118,215.31-12,177,314.73-3,325,913.28

Finding the Fourth Proportional to 8,118,215.31, 12,177,314.73 and 3,325,913.28

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Solution

The fourth proportional to 8,118,215.31, 12,177,314.73 and 3,325,913.28 is: 4,988,866.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118,215.31 : 12,177,314.73 = 3,325,913.28 : x
  2. Step 2: Convert to fraction form
    8,118,215.31/12,177,314.73 = 3,325,913.28/x
  3. Step 3: Cross multiply
    8,118,215.31x = 12,177,314.73 × 3,325,913.28
  4. Step 4: Simplify right side
    8,118,215.31x = 40,500,692,775,246.62
  5. Step 5: Solve for x
    x = 40,500,692,775,246.62/8,118,215.31
  6. Step 6: Final answer
    x = 4,988,866.55

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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.