Home / 51,307,828.28-76,961,742.34-12,969,342.39

Finding the Fourth Proportional to 51,307,828.28, 76,961,742.34 and 12,969,342.39

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Solution

The fourth proportional to 51,307,828.28, 76,961,742.34 and 12,969,342.39 is: 19,454,013.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,307,828.28 : 76,961,742.34 = 12,969,342.39 : x
  2. Step 2: Convert to fraction form
    51,307,828.28/76,961,742.34 = 12,969,342.39/x
  3. Step 3: Cross multiply
    51,307,828.28x = 76,961,742.34 × 12,969,342.39
  4. Step 4: Simplify right side
    51,307,828.28x = 998,143,187,222,480.50
  5. Step 5: Solve for x
    x = 998,143,187,222,480.50/51,307,828.28
  6. Step 6: Final answer
    x = 19,454,013.56

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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.