Home / 38,523,493.76-53,162,408.54-21,119,465.56

Finding the Fourth Proportional to 38,523,493.76, 53,162,408.54 and 21,119,465.56

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Solution

The fourth proportional to 38,523,493.76, 53,162,408.54 and 21,119,465.56 is: 29,144,855.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,523,493.76 : 53,162,408.54 = 21,119,465.56 : x
  2. Step 2: Convert to fraction form
    38,523,493.76/53,162,408.54 = 21,119,465.56/x
  3. Step 3: Cross multiply
    38,523,493.76x = 53,162,408.54 × 21,119,465.56
  4. Step 4: Simplify right side
    38,523,493.76x = 1,122,761,656,247,179.75
  5. Step 5: Solve for x
    x = 1,122,761,656,247,179.75/38,523,493.76
  6. Step 6: Final answer
    x = 29,144,855.43

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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.