Home / 30,448,831.94-42,019,343.11-16,510,161.71

Finding the Fourth Proportional to 30,448,831.94, 42,019,343.11 and 16,510,161.71

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Solution

The fourth proportional to 30,448,831.94, 42,019,343.11 and 16,510,161.71 is: 22,783,998.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,448,831.94 : 42,019,343.11 = 16,510,161.71 : x
  2. Step 2: Convert to fraction form
    30,448,831.94/42,019,343.11 = 16,510,161.71/x
  3. Step 3: Cross multiply
    30,448,831.94x = 42,019,343.11 × 16,510,161.71
  4. Step 4: Simplify right side
    30,448,831.94x = 693,746,149,611,523.50
  5. Step 5: Solve for x
    x = 693,746,149,611,523.50/30,448,831.94
  6. Step 6: Final answer
    x = 22,783,998.78

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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.