Home / 13,763,208.40-20,626,150.20-9,201,288.40

Finding the Fourth Proportional to 13,763,208.40, 20,626,150.20 and 9,201,288.40

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Solution

The fourth proportional to 13,763,208.40, 20,626,150.20 and 9,201,288.40 is: 13,789,455.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763,208.40 : 20,626,150.20 = 9,201,288.40 : x
  2. Step 2: Convert to fraction form
    13,763,208.40/20,626,150.20 = 9,201,288.40/x
  3. Step 3: Cross multiply
    13,763,208.40x = 20,626,150.20 × 9,201,288.40
  4. Step 4: Simplify right side
    13,763,208.40x = 189,787,156,571,917.69
  5. Step 5: Solve for x
    x = 189,787,156,571,917.69/13,763,208.40
  6. Step 6: Final answer
    x = 13,789,455.99

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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.