Home / 7,674,065.80-11,515,245.90-3,414,891.40

Finding the Fourth Proportional to 7,674,065.80, 11,515,245.90 and 3,414,891.40

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Solution

The fourth proportional to 7,674,065.80, 11,515,245.90 and 3,414,891.40 is: 5,124,182.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674,065.80 : 11,515,245.90 = 3,414,891.40 : x
  2. Step 2: Convert to fraction form
    7,674,065.80/11,515,245.90 = 3,414,891.40/x
  3. Step 3: Cross multiply
    7,674,065.80x = 11,515,245.90 × 3,414,891.40
  4. Step 4: Simplify right side
    7,674,065.80x = 39,323,314,192,795.26
  5. Step 5: Solve for x
    x = 39,323,314,192,795.26/7,674,065.80
  6. Step 6: Final answer
    x = 5,124,182.57

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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.