Home / 11,511,486.95-15,885,902.72-6,354,890.87

Finding the Fourth Proportional to 11,511,486.95, 15,885,902.72 and 6,354,890.87

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Solution

The fourth proportional to 11,511,486.95, 15,885,902.72 and 6,354,890.87 is: 8,769,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,511,486.95 : 15,885,902.72 = 6,354,890.87 : x
  2. Step 2: Convert to fraction form
    11,511,486.95/15,885,902.72 = 6,354,890.87/x
  3. Step 3: Cross multiply
    11,511,486.95x = 15,885,902.72 × 6,354,890.87
  4. Step 4: Simplify right side
    11,511,486.95x = 100,953,178,093,493.89
  5. Step 5: Solve for x
    x = 100,953,178,093,493.89/11,511,486.95
  6. Step 6: Final answer
    x = 8,769,777.40

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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.