Home / 18,998,537.15-28,497,806.63-7,636,328.57

Finding the Fourth Proportional to 18,998,537.15, 28,497,806.63 and 7,636,328.57

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Solution

The fourth proportional to 18,998,537.15, 28,497,806.63 and 7,636,328.57 is: 11,454,493.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,998,537.15 : 28,497,806.63 = 7,636,328.57 : x
  2. Step 2: Convert to fraction form
    18,998,537.15/28,497,806.63 = 7,636,328.57/x
  3. Step 3: Cross multiply
    18,998,537.15x = 28,497,806.63 × 7,636,328.57
  4. Step 4: Simplify right side
    18,998,537.15x = 217,618,614,770,333.75
  5. Step 5: Solve for x
    x = 217,618,614,770,333.75/18,998,537.15
  6. Step 6: Final answer
    x = 11,454,493.21

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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.