Home / 14,069,919.40-21,104,879.10-13,286,098.60

Finding the Fourth Proportional to 14,069,919.40, 21,104,879.10 and 13,286,098.60

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Solution

The fourth proportional to 14,069,919.40, 21,104,879.10 and 13,286,098.60 is: 19,929,147.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,069,919.40 : 21,104,879.10 = 13,286,098.60 : x
  2. Step 2: Convert to fraction form
    14,069,919.40/21,104,879.10 = 13,286,098.60/x
  3. Step 3: Cross multiply
    14,069,919.40x = 21,104,879.10 × 13,286,098.60
  4. Step 4: Simplify right side
    14,069,919.40x = 280,401,504,663,679.28
  5. Step 5: Solve for x
    x = 280,401,504,663,679.28/14,069,919.40
  6. Step 6: Final answer
    x = 19,929,147.90

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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.