Home / 21,504,620.60-32,256,930.90-19,787,679.80

Finding the Fourth Proportional to 21,504,620.60, 32,256,930.90 and 19,787,679.80

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Solution

The fourth proportional to 21,504,620.60, 32,256,930.90 and 19,787,679.80 is: 29,681,519.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,504,620.60 : 32,256,930.90 = 19,787,679.80 : x
  2. Step 2: Convert to fraction form
    21,504,620.60/32,256,930.90 = 19,787,679.80/x
  3. Step 3: Cross multiply
    21,504,620.60x = 32,256,930.90 × 19,787,679.80
  4. Step 4: Simplify right side
    21,504,620.60x = 638,289,819,979,925.88
  5. Step 5: Solve for x
    x = 638,289,819,979,925.88/21,504,620.60
  6. Step 6: Final answer
    x = 29,681,519.70

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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.