Home / 6,724,121.12-10,085,099.01-1,930,720.13

Finding the Fourth Proportional to 6,724,121.12, 10,085,099.01 and 1,930,720.13

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Solution

The fourth proportional to 6,724,121.12, 10,085,099.01 and 1,930,720.13 is: 2,895,769.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724,121.12 : 10,085,099.01 = 1,930,720.13 : x
  2. Step 2: Convert to fraction form
    6,724,121.12/10,085,099.01 = 1,930,720.13/x
  3. Step 3: Cross multiply
    6,724,121.12x = 10,085,099.01 × 1,930,720.13
  4. Step 4: Simplify right side
    6,724,121.12x = 19,471,503,662,663.80
  5. Step 5: Solve for x
    x = 19,471,503,662,663.80/6,724,121.12
  6. Step 6: Final answer
    x = 2,895,769.32

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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.