Home / 13,432,565.39-20,149,066.79-3,847,906.67

Finding the Fourth Proportional to 13,432,565.39, 20,149,066.79 and 3,847,906.67

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Solution

The fourth proportional to 13,432,565.39, 20,149,066.79 and 3,847,906.67 is: 5,771,922.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432,565.39 : 20,149,066.79 = 3,847,906.67 : x
  2. Step 2: Convert to fraction form
    13,432,565.39/20,149,066.79 = 3,847,906.67/x
  3. Step 3: Cross multiply
    13,432,565.39x = 20,149,066.79 × 3,847,906.67
  4. Step 4: Simplify right side
    13,432,565.39x = 77,531,728,492,479.45
  5. Step 5: Solve for x
    x = 77,531,728,492,479.45/13,432,565.39
  6. Step 6: Final answer
    x = 5,771,922.65

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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.