Home / 12,120,831.94-16,727,103.06-6,614,561.67

Finding the Fourth Proportional to 12,120,831.94, 16,727,103.06 and 6,614,561.67

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Solution

The fourth proportional to 12,120,831.94, 16,727,103.06 and 6,614,561.67 is: 9,128,288.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,120,831.94 : 16,727,103.06 = 6,614,561.67 : x
  2. Step 2: Convert to fraction form
    12,120,831.94/16,727,103.06 = 6,614,561.67/x
  3. Step 3: Cross multiply
    12,120,831.94x = 16,727,103.06 × 6,614,561.67
  4. Step 4: Simplify right side
    12,120,831.94x = 110,642,454,750,815.72
  5. Step 5: Solve for x
    x = 110,642,454,750,815.72/12,120,831.94
  6. Step 6: Final answer
    x = 9,128,288.83

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1.5x scale

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.