Home / 13,317,120.70-19,976,566.78-4,680,176.56

Finding the Fourth Proportional to 13,317,120.70, 19,976,566.78 and 4,680,176.56

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Solution

The fourth proportional to 13,317,120.70, 19,976,566.78 and 4,680,176.56 is: 7,020,576.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317,120.70 : 19,976,566.78 = 4,680,176.56 : x
  2. Step 2: Convert to fraction form
    13,317,120.70/19,976,566.78 = 4,680,176.56/x
  3. Step 3: Cross multiply
    13,317,120.70x = 19,976,566.78 × 4,680,176.56
  4. Step 4: Simplify right side
    13,317,120.70x = 93,493,859,493,147.84
  5. Step 5: Solve for x
    x = 93,493,859,493,147.84/13,317,120.70
  6. Step 6: Final answer
    x = 7,020,576.12

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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.