Home / 51,786,500.45-71,465,018.58-28,581,626.72

Finding the Fourth Proportional to 51,786,500.45, 71,465,018.58 and 28,581,626.72

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Solution

The fourth proportional to 51,786,500.45, 71,465,018.58 and 28,581,626.72 is: 39,442,450.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,786,500.45 : 71,465,018.58 = 28,581,626.72 : x
  2. Step 2: Convert to fraction form
    51,786,500.45/71,465,018.58 = 28,581,626.72/x
  3. Step 3: Cross multiply
    51,786,500.45x = 71,465,018.58 × 28,581,626.72
  4. Step 4: Simplify right side
    51,786,500.45x = 2,042,586,484,770,087
  5. Step 5: Solve for x
    x = 2,042,586,484,770,087/51,786,500.45
  6. Step 6: Final answer
    x = 39,442,450.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.