Home / 38,503,855.72-57,768,646.38-12,597,342.76

Finding the Fourth Proportional to 38,503,855.72, 57,768,646.38 and 12,597,342.76

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Solution

The fourth proportional to 38,503,855.72, 57,768,646.38 and 12,597,342.76 is: 18,900,222.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,503,855.72 : 57,768,646.38 = 12,597,342.76 : x
  2. Step 2: Convert to fraction form
    38,503,855.72/57,768,646.38 = 12,597,342.76/x
  3. Step 3: Cross multiply
    38,503,855.72x = 57,768,646.38 × 12,597,342.76
  4. Step 4: Simplify right side
    38,503,855.72x = 727,731,439,230,093.25
  5. Step 5: Solve for x
    x = 727,731,439,230,093.25/38,503,855.72
  6. Step 6: Final answer
    x = 18,900,222.47

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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.