Home / 39,366,367.13-54,325,620.51-21,962,715.05

Finding the Fourth Proportional to 39,366,367.13, 54,325,620.51 and 21,962,715.05

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Solution

The fourth proportional to 39,366,367.13, 54,325,620.51 and 21,962,715.05 is: 30,308,565.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,366,367.13 : 54,325,620.51 = 21,962,715.05 : x
  2. Step 2: Convert to fraction form
    39,366,367.13/54,325,620.51 = 21,962,715.05/x
  3. Step 3: Cross multiply
    39,366,367.13x = 54,325,620.51 × 21,962,715.05
  4. Step 4: Simplify right side
    39,366,367.13x = 1,193,138,123,175,565.75
  5. Step 5: Solve for x
    x = 1,193,138,123,175,565.75/39,366,367.13
  6. Step 6: Final answer
    x = 30,308,565.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.