Home / 7,770,944.10-11,651,750.55-3,991,808.10

Finding the Fourth Proportional to 7,770,944.10, 11,651,750.55 and 3,991,808.10

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Solution

The fourth proportional to 7,770,944.10, 11,651,750.55 and 3,991,808.10 is: 5,985,315.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770,944.10 : 11,651,750.55 = 3,991,808.10 : x
  2. Step 2: Convert to fraction form
    7,770,944.10/11,651,750.55 = 3,991,808.10/x
  3. Step 3: Cross multiply
    7,770,944.10x = 11,651,750.55 × 3,991,808.10
  4. Step 4: Simplify right side
    7,770,944.10x = 46,511,552,224,669.46
  5. Step 5: Solve for x
    x = 46,511,552,224,669.46/7,770,944.10
  6. Step 6: Final answer
    x = 5,985,315.51

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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.