Home / 51,307,835.82-76,961,753.76-12,969,349.93

Finding the Fourth Proportional to 51,307,835.82, 76,961,753.76 and 12,969,349.93

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Solution

The fourth proportional to 51,307,835.82, 76,961,753.76 and 12,969,349.93 is: 19,454,024.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,307,835.82 : 76,961,753.76 = 12,969,349.93 : x
  2. Step 2: Convert to fraction form
    51,307,835.82/76,961,753.76 = 12,969,349.93/x
  3. Step 3: Cross multiply
    51,307,835.82x = 76,961,753.76 × 12,969,349.93
  4. Step 4: Simplify right side
    51,307,835.82x = 998,143,915,811,818
  5. Step 5: Solve for x
    x = 998,143,915,811,818/51,307,835.82
  6. Step 6: Final answer
    x = 19,454,024.90

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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.