Home / 11,240,128.82-15,511,753.90-6,888,374.73

Finding the Fourth Proportional to 11,240,128.82, 15,511,753.90 and 6,888,374.73

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Solution

The fourth proportional to 11,240,128.82, 15,511,753.90 and 6,888,374.73 is: 9,506,187.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240,128.82 : 15,511,753.90 = 6,888,374.73 : x
  2. Step 2: Convert to fraction form
    11,240,128.82/15,511,753.90 = 6,888,374.73/x
  3. Step 3: Cross multiply
    11,240,128.82x = 15,511,753.90 × 6,888,374.73
  4. Step 4: Simplify right side
    11,240,128.82x = 106,850,773,591,349.42
  5. Step 5: Solve for x
    x = 106,850,773,591,349.42/11,240,128.82
  6. Step 6: Final answer
    x = 9,506,187.63

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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.