Home / 20,219,842.60-30,329,763.90-16,629,663.40

Finding the Fourth Proportional to 20,219,842.60, 30,329,763.90 and 16,629,663.40

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Solution

The fourth proportional to 20,219,842.60, 30,329,763.90 and 16,629,663.40 is: 24,944,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,842.60 : 30,329,763.90 = 16,629,663.40 : x
  2. Step 2: Convert to fraction form
    20,219,842.60/30,329,763.90 = 16,629,663.40/x
  3. Step 3: Cross multiply
    20,219,842.60x = 30,329,763.90 × 16,629,663.40
  4. Step 4: Simplify right side
    20,219,842.60x = 504,373,764,658,471.25
  5. Step 5: Solve for x
    x = 504,373,764,658,471.25/20,219,842.60
  6. Step 6: Final answer
    x = 24,944,495.10

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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.