Home / 20,219,828.60-30,329,742.90-16,629,649.40

Finding the Fourth Proportional to 20,219,828.60, 30,329,742.90 and 16,629,649.40

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Solution

The fourth proportional to 20,219,828.60, 30,329,742.90 and 16,629,649.40 is: 24,944,474.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,828.60 : 30,329,742.90 = 16,629,649.40 : x
  2. Step 2: Convert to fraction form
    20,219,828.60/30,329,742.90 = 16,629,649.40/x
  3. Step 3: Cross multiply
    20,219,828.60x = 30,329,742.90 × 16,629,649.40
  4. Step 4: Simplify right side
    20,219,828.60x = 504,372,990,819,139.25
  5. Step 5: Solve for x
    x = 504,372,990,819,139.25/20,219,828.60
  6. Step 6: Final answer
    x = 24,944,474.10

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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.