Home / 7,974,861.80-11,961,712.34-3,116,258.24

Finding the Fourth Proportional to 7,974,861.80, 11,961,712.34 and 3,116,258.24

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Solution

The fourth proportional to 7,974,861.80, 11,961,712.34 and 3,116,258.24 is: 4,674,160.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974,861.80 : 11,961,712.34 = 3,116,258.24 : x
  2. Step 2: Convert to fraction form
    7,974,861.80/11,961,712.34 = 3,116,258.24/x
  3. Step 3: Cross multiply
    7,974,861.80x = 11,961,712.34 × 3,116,258.24
  4. Step 4: Simplify right side
    7,974,861.80x = 37,275,784,628,453.40
  5. Step 5: Solve for x
    x = 37,275,784,628,453.40/7,974,861.80
  6. Step 6: Final answer
    x = 4,674,160.58

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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.