Home / 11,665,929.40-17,498,894.10-7,410,902.20

Finding the Fourth Proportional to 11,665,929.40, 17,498,894.10 and 7,410,902.20

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Solution

The fourth proportional to 11,665,929.40, 17,498,894.10 and 7,410,902.20 is: 11,116,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,665,929.40 : 17,498,894.10 = 7,410,902.20 : x
  2. Step 2: Convert to fraction form
    11,665,929.40/17,498,894.10 = 7,410,902.20/x
  3. Step 3: Cross multiply
    11,665,929.40x = 17,498,894.10 × 7,410,902.20
  4. Step 4: Simplify right side
    11,665,929.40x = 129,682,592,783,257.03
  5. Step 5: Solve for x
    x = 129,682,592,783,257.03/11,665,929.40
  6. Step 6: Final answer
    x = 11,116,353.30

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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.