Home / 7,776,039.40-11,664,059.10-5,382,586.60

Finding the Fourth Proportional to 7,776,039.40, 11,664,059.10 and 5,382,586.60

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Solution

The fourth proportional to 7,776,039.40, 11,664,059.10 and 5,382,586.60 is: 8,073,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,039.40 : 11,664,059.10 = 5,382,586.60 : x
  2. Step 2: Convert to fraction form
    7,776,039.40/11,664,059.10 = 5,382,586.60/x
  3. Step 3: Cross multiply
    7,776,039.40x = 11,664,059.10 × 5,382,586.60
  4. Step 4: Simplify right side
    7,776,039.40x = 62,782,808,213,268.05
  5. Step 5: Solve for x
    x = 62,782,808,213,268.05/7,776,039.40
  6. Step 6: Final answer
    x = 8,073,879.90

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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.