Home / 10,385,606.72-15,578,410.11-3,998,866.88

Finding the Fourth Proportional to 10,385,606.72, 15,578,410.11 and 3,998,866.88

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Solution

The fourth proportional to 10,385,606.72, 15,578,410.11 and 3,998,866.88 is: 5,998,300.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385,606.72 : 15,578,410.11 = 3,998,866.88 : x
  2. Step 2: Convert to fraction form
    10,385,606.72/15,578,410.11 = 3,998,866.88/x
  3. Step 3: Cross multiply
    10,385,606.72x = 15,578,410.11 × 3,998,866.88
  4. Step 4: Simplify right side
    10,385,606.72x = 62,295,988,231,936.16
  5. Step 5: Solve for x
    x = 62,295,988,231,936.16/10,385,606.72
  6. Step 6: Final answer
    x = 5,998,300.33

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Double scale
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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.