Home / 51,307,832.78-76,961,749.08-12,969,346.91

Finding the Fourth Proportional to 51,307,832.78, 76,961,749.08 and 12,969,346.91

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Solution

The fourth proportional to 51,307,832.78, 76,961,749.08 and 12,969,346.91 is: 19,454,020.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,307,832.78 : 76,961,749.08 = 12,969,346.91 : x
  2. Step 2: Convert to fraction form
    51,307,832.78/76,961,749.08 = 12,969,346.91/x
  3. Step 3: Cross multiply
    51,307,832.78x = 76,961,749.08 × 12,969,346.91
  4. Step 4: Simplify right side
    51,307,832.78x = 998,143,622,282,719.50
  5. Step 5: Solve for x
    x = 998,143,622,282,719.50/51,307,832.78
  6. Step 6: Final answer
    x = 19,454,020.34

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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.