Home / 20,673,902.58-28,531,653.54-11,854,174.53

Finding the Fourth Proportional to 20,673,902.58, 28,531,653.54 and 11,854,174.53

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Solution

The fourth proportional to 20,673,902.58, 28,531,653.54 and 11,854,174.53 is: 16,359,717.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,673,902.58 : 28,531,653.54 = 11,854,174.53 : x
  2. Step 2: Convert to fraction form
    20,673,902.58/28,531,653.54 = 11,854,174.53/x
  3. Step 3: Cross multiply
    20,673,902.58x = 28,531,653.54 × 11,854,174.53
  4. Step 4: Simplify right side
    20,673,902.58x = 338,219,200,692,652.31
  5. Step 5: Solve for x
    x = 338,219,200,692,652.31/20,673,902.58
  6. Step 6: Final answer
    x = 16,359,717.25

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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.