Home / 20,219,811.10-30,329,716.65-11,244,363.10

Finding the Fourth Proportional to 20,219,811.10, 30,329,716.65 and 11,244,363.10

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Solution

The fourth proportional to 20,219,811.10, 30,329,716.65 and 11,244,363.10 is: 16,866,544.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,811.10 : 30,329,716.65 = 11,244,363.10 : x
  2. Step 2: Convert to fraction form
    20,219,811.10/30,329,716.65 = 11,244,363.10/x
  3. Step 3: Cross multiply
    20,219,811.10x = 30,329,716.65 × 11,244,363.10
  4. Step 4: Simplify right side
    20,219,811.10x = 341,038,346,732,715.56
  5. Step 5: Solve for x
    x = 341,038,346,732,715.56/20,219,811.10
  6. Step 6: Final answer
    x = 16,866,544.65

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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.