Home / 6,658,515.14-9,988,063.40-2,109,899.15

Finding the Fourth Proportional to 6,658,515.14, 9,988,063.40 and 2,109,899.15

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Solution

The fourth proportional to 6,658,515.14, 9,988,063.40 and 2,109,899.15 is: 3,164,940.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,658,515.14 : 9,988,063.40 = 2,109,899.15 : x
  2. Step 2: Convert to fraction form
    6,658,515.14/9,988,063.40 = 2,109,899.15/x
  3. Step 3: Cross multiply
    6,658,515.14x = 9,988,063.40 × 2,109,899.15
  4. Step 4: Simplify right side
    6,658,515.14x = 21,073,806,433,140.54
  5. Step 5: Solve for x
    x = 21,073,806,433,140.54/6,658,515.14
  6. Step 6: Final answer
    x = 3,164,940.83

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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.