Home / 11,240,132.88-15,511,759.50-6,888,378.78

Finding the Fourth Proportional to 11,240,132.88, 15,511,759.50 and 6,888,378.78

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Solution

The fourth proportional to 11,240,132.88, 15,511,759.50 and 6,888,378.78 is: 9,506,193.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240,132.88 : 15,511,759.50 = 6,888,378.78 : x
  2. Step 2: Convert to fraction form
    11,240,132.88/15,511,759.50 = 6,888,378.78/x
  3. Step 3: Cross multiply
    11,240,132.88x = 15,511,759.50 × 6,888,378.78
  4. Step 4: Simplify right side
    11,240,132.88x = 106,850,874,980,263.41
  5. Step 5: Solve for x
    x = 106,850,874,980,263.41/11,240,132.88
  6. Step 6: Final answer
    x = 9,506,193.22

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1.5x scale

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.