Home / 11,188,831.74-16,785,705.69-6,644,031.90

Finding the Fourth Proportional to 11,188,831.74, 16,785,705.69 and 6,644,031.90

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Solution

The fourth proportional to 11,188,831.74, 16,785,705.69 and 6,644,031.90 is: 9,967,507.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188,831.74 : 16,785,705.69 = 6,644,031.90 : x
  2. Step 2: Convert to fraction form
    11,188,831.74/16,785,705.69 = 6,644,031.90/x
  3. Step 3: Cross multiply
    11,188,831.74x = 16,785,705.69 × 6,644,031.90
  4. Step 4: Simplify right side
    11,188,831.74x = 111,524,764,068,371.53
  5. Step 5: Solve for x
    x = 111,524,764,068,371.53/11,188,831.74
  6. Step 6: Final answer
    x = 9,967,507.48

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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.