Home / 8,211,375.40-12,293,735.10-7,764,514.60

Finding the Fourth Proportional to 8,211,375.40, 12,293,735.10 and 7,764,514.60

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Solution

The fourth proportional to 8,211,375.40, 12,293,735.10 and 7,764,514.60 is: 11,624,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211,375.40 : 12,293,735.10 = 7,764,514.60 : x
  2. Step 2: Convert to fraction form
    8,211,375.40/12,293,735.10 = 7,764,514.60/x
  3. Step 3: Cross multiply
    8,211,375.40x = 12,293,735.10 × 7,764,514.60
  4. Step 4: Simplify right side
    8,211,375.40x = 95,454,885,672,482.45
  5. Step 5: Solve for x
    x = 95,454,885,672,482.45/8,211,375.40
  6. Step 6: Final answer
    x = 11,624,713.40

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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.