Home / 38,496,670.12-57,726,109.42-19,043,419.96

Finding the Fourth Proportional to 38,496,670.12, 57,726,109.42 and 19,043,419.96

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Solution

The fourth proportional to 38,496,670.12, 57,726,109.42 and 19,043,419.96 is: 28,555,782.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,496,670.12 : 57,726,109.42 = 19,043,419.96 : x
  2. Step 2: Convert to fraction form
    38,496,670.12/57,726,109.42 = 19,043,419.96/x
  3. Step 3: Cross multiply
    38,496,670.12x = 57,726,109.42 × 19,043,419.96
  4. Step 4: Simplify right side
    38,496,670.12x = 1,099,302,544,341,972.12
  5. Step 5: Solve for x
    x = 1,099,302,544,341,972.12/38,496,670.12
  6. Step 6: Final answer
    x = 28,555,782.64

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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.