Home / 12,162,649.40-16,786,236.78-7,005,007.16

Finding the Fourth Proportional to 12,162,649.40, 16,786,236.78 and 7,005,007.16

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Solution

The fourth proportional to 12,162,649.40, 16,786,236.78 and 7,005,007.16 is: 9,667,935.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,162,649.40 : 16,786,236.78 = 7,005,007.16 : x
  2. Step 2: Convert to fraction form
    12,162,649.40/16,786,236.78 = 7,005,007.16/x
  3. Step 3: Cross multiply
    12,162,649.40x = 16,786,236.78 × 7,005,007.16
  4. Step 4: Simplify right side
    12,162,649.40x = 117,587,708,833,355.36
  5. Step 5: Solve for x
    x = 117,587,708,833,355.36/12,162,649.40
  6. Step 6: Final answer
    x = 9,667,935.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.