Home / 13,206,242.40-19,809,363.60-7,466,679.60

Finding the Fourth Proportional to 13,206,242.40, 19,809,363.60 and 7,466,679.60

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Solution

The fourth proportional to 13,206,242.40, 19,809,363.60 and 7,466,679.60 is: 11,200,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206,242.40 : 19,809,363.60 = 7,466,679.60 : x
  2. Step 2: Convert to fraction form
    13,206,242.40/19,809,363.60 = 7,466,679.60/x
  3. Step 3: Cross multiply
    13,206,242.40x = 19,809,363.60 × 7,466,679.60
  4. Step 4: Simplify right side
    13,206,242.40x = 147,910,171,081,102.56
  5. Step 5: Solve for x
    x = 147,910,171,081,102.56/13,206,242.40
  6. Step 6: Final answer
    x = 11,200,019.40

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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.