Home / 12,097,188.20-18,145,782.30-9,073,879.40

Finding the Fourth Proportional to 12,097,188.20, 18,145,782.30 and 9,073,879.40

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Solution

The fourth proportional to 12,097,188.20, 18,145,782.30 and 9,073,879.40 is: 13,610,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,188.20 : 18,145,782.30 = 9,073,879.40 : x
  2. Step 2: Convert to fraction form
    12,097,188.20/18,145,782.30 = 9,073,879.40/x
  3. Step 3: Cross multiply
    12,097,188.20x = 18,145,782.30 × 9,073,879.40
  4. Step 4: Simplify right side
    12,097,188.20x = 164,652,640,208,854.62
  5. Step 5: Solve for x
    x = 164,652,640,208,854.62/12,097,188.20
  6. Step 6: Final answer
    x = 13,610,819.10

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1.5x scale

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.