Home / 13,920,414.60-20,888,232.84-5,401,087.32

Finding the Fourth Proportional to 13,920,414.60, 20,888,232.84 and 5,401,087.32

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Solution

The fourth proportional to 13,920,414.60, 20,888,232.84 and 5,401,087.32 is: 8,104,584.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,920,414.60 : 20,888,232.84 = 5,401,087.32 : x
  2. Step 2: Convert to fraction form
    13,920,414.60/20,888,232.84 = 5,401,087.32/x
  3. Step 3: Cross multiply
    13,920,414.60x = 20,888,232.84 × 5,401,087.32
  4. Step 4: Simplify right side
    13,920,414.60x = 112,819,169,529,331.59
  5. Step 5: Solve for x
    x = 112,819,169,529,331.59/13,920,414.60
  6. Step 6: Final answer
    x = 8,104,584.01

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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.