Home / 51,551,108.70-77,324,913.45-13,212,998.70

Finding the Fourth Proportional to 51,551,108.70, 77,324,913.45 and 13,212,998.70

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Solution

The fourth proportional to 51,551,108.70, 77,324,913.45 and 13,212,998.70 is: 19,819,049.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,551,108.70 : 77,324,913.45 = 13,212,998.70 : x
  2. Step 2: Convert to fraction form
    51,551,108.70/77,324,913.45 = 13,212,998.70/x
  3. Step 3: Cross multiply
    51,551,108.70x = 77,324,913.45 × 13,212,998.70
  4. Step 4: Simplify right side
    51,551,108.70x = 1,021,693,980,892,462.50
  5. Step 5: Solve for x
    x = 1,021,693,980,892,462.50/51,551,108.70
  6. Step 6: Final answer
    x = 19,819,049.61

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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.