Home / 7,764,813.60-11,647,220.40-7,008,986.40

Finding the Fourth Proportional to 7,764,813.60, 11,647,220.40 and 7,008,986.40

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Solution

The fourth proportional to 7,764,813.60, 11,647,220.40 and 7,008,986.40 is: 10,513,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764,813.60 : 11,647,220.40 = 7,008,986.40 : x
  2. Step 2: Convert to fraction form
    7,764,813.60/11,647,220.40 = 7,008,986.40/x
  3. Step 3: Cross multiply
    7,764,813.60x = 11,647,220.40 × 7,008,986.40
  4. Step 4: Simplify right side
    7,764,813.60x = 81,635,209,381,402.56
  5. Step 5: Solve for x
    x = 81,635,209,381,402.56/7,764,813.60
  6. Step 6: Final answer
    x = 10,513,479.60

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1.5x scale

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.