Home / 14,104,069.20-21,156,103.80-13,253,763.60

Finding the Fourth Proportional to 14,104,069.20, 21,156,103.80 and 13,253,763.60

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Solution

The fourth proportional to 14,104,069.20, 21,156,103.80 and 13,253,763.60 is: 19,880,645.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104,069.20 : 21,156,103.80 = 13,253,763.60 : x
  2. Step 2: Convert to fraction form
    14,104,069.20/21,156,103.80 = 13,253,763.60/x
  3. Step 3: Cross multiply
    14,104,069.20x = 21,156,103.80 × 13,253,763.60
  4. Step 4: Simplify right side
    14,104,069.20x = 280,397,998,462,261.69
  5. Step 5: Solve for x
    x = 280,397,998,462,261.69/14,104,069.20
  6. Step 6: Final answer
    x = 19,880,645.40

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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.