Home / 12,798,071.70-19,197,107.55-8,493,399.60

Finding the Fourth Proportional to 12,798,071.70, 19,197,107.55 and 8,493,399.60

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Solution

The fourth proportional to 12,798,071.70, 19,197,107.55 and 8,493,399.60 is: 12,740,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798,071.70 : 19,197,107.55 = 8,493,399.60 : x
  2. Step 2: Convert to fraction form
    12,798,071.70/19,197,107.55 = 8,493,399.60/x
  3. Step 3: Cross multiply
    12,798,071.70x = 19,197,107.55 × 8,493,399.60
  4. Step 4: Simplify right side
    12,798,071.70x = 163,048,705,586,326.97
  5. Step 5: Solve for x
    x = 163,048,705,586,326.97/12,798,071.70
  6. Step 6: Final answer
    x = 12,740,099.40

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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.