Home / 13,206,834.40-19,810,251.60-10,813,381.60

Finding the Fourth Proportional to 13,206,834.40, 19,810,251.60 and 10,813,381.60

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Solution

The fourth proportional to 13,206,834.40, 19,810,251.60 and 10,813,381.60 is: 16,220,072.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206,834.40 : 19,810,251.60 = 10,813,381.60 : x
  2. Step 2: Convert to fraction form
    13,206,834.40/19,810,251.60 = 10,813,381.60/x
  3. Step 3: Cross multiply
    13,206,834.40x = 19,810,251.60 × 10,813,381.60
  4. Step 4: Simplify right side
    13,206,834.40x = 214,215,810,142,810.56
  5. Step 5: Solve for x
    x = 214,215,810,142,810.56/13,206,834.40
  6. Step 6: Final answer
    x = 16,220,072.40

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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.