Home / 12,725,905.38-19,088,858.25-10,477,319.46

Finding the Fourth Proportional to 12,725,905.38, 19,088,858.25 and 10,477,319.46

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Solution

The fourth proportional to 12,725,905.38, 19,088,858.25 and 10,477,319.46 is: 15,715,979.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725,905.38 : 19,088,858.25 = 10,477,319.46 : x
  2. Step 2: Convert to fraction form
    12,725,905.38/19,088,858.25 = 10,477,319.46/x
  3. Step 3: Cross multiply
    12,725,905.38x = 19,088,858.25 × 10,477,319.46
  4. Step 4: Simplify right side
    12,725,905.38x = 200,000,066,011,906.56
  5. Step 5: Solve for x
    x = 200,000,066,011,906.56/12,725,905.38
  6. Step 6: Final answer
    x = 15,715,979.34

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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.