Home / 8,889,784.40-13,334,676.60-7,965,995.60

Finding the Fourth Proportional to 8,889,784.40, 13,334,676.60 and 7,965,995.60

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Solution

The fourth proportional to 8,889,784.40, 13,334,676.60 and 7,965,995.60 is: 11,948,993.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,784.40 : 13,334,676.60 = 7,965,995.60 : x
  2. Step 2: Convert to fraction form
    8,889,784.40/13,334,676.60 = 7,965,995.60/x
  3. Step 3: Cross multiply
    8,889,784.40x = 13,334,676.60 × 7,965,995.60
  4. Step 4: Simplify right side
    8,889,784.40x = 106,223,975,123,022.95
  5. Step 5: Solve for x
    x = 106,223,975,123,022.95/8,889,784.40
  6. Step 6: Final answer
    x = 11,948,993.40

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Similar ratio
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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.