Home / 7,959,766.24-11,938,482.88-3,915,168.40

Finding the Fourth Proportional to 7,959,766.24, 11,938,482.88 and 3,915,168.40

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Solution

The fourth proportional to 7,959,766.24, 11,938,482.88 and 3,915,168.40 is: 5,872,178.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959,766.24 : 11,938,482.88 = 3,915,168.40 : x
  2. Step 2: Convert to fraction form
    7,959,766.24/11,938,482.88 = 3,915,168.40/x
  3. Step 3: Cross multiply
    7,959,766.24x = 11,938,482.88 × 3,915,168.40
  4. Step 4: Simplify right side
    7,959,766.24x = 46,741,170,915,716.99
  5. Step 5: Solve for x
    x = 46,741,170,915,716.99/7,959,766.24
  6. Step 6: Final answer
    x = 5,872,178.84

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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.