Home / 20,065,302.92-30,090,571.42-6,931,378.36

Finding the Fourth Proportional to 20,065,302.92, 30,090,571.42 and 6,931,378.36

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Solution

The fourth proportional to 20,065,302.92, 30,090,571.42 and 6,931,378.36 is: 10,394,517.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,065,302.92 : 30,090,571.42 = 6,931,378.36 : x
  2. Step 2: Convert to fraction form
    20,065,302.92/30,090,571.42 = 6,931,378.36/x
  3. Step 3: Cross multiply
    20,065,302.92x = 30,090,571.42 × 6,931,378.36
  4. Step 4: Simplify right side
    20,065,302.92x = 208,569,135,580,622.50
  5. Step 5: Solve for x
    x = 208,569,135,580,622.50/20,065,302.92
  6. Step 6: Final answer
    x = 10,394,517.16

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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.