Home / 18,880,671.68-28,313,199.48-5,922,500

Finding the Fourth Proportional to 18,880,671.68, 28,313,199.48 and 5,922,500

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Solution

The fourth proportional to 18,880,671.68, 28,313,199.48 and 5,922,500 is: 8,881,300.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880,671.68 : 28,313,199.48 = 5,922,500 : x
  2. Step 2: Convert to fraction form
    18,880,671.68/28,313,199.48 = 5,922,500/x
  3. Step 3: Cross multiply
    18,880,671.68x = 28,313,199.48 × 5,922,500
  4. Step 4: Simplify right side
    18,880,671.68x = 167,684,923,920,300
  5. Step 5: Solve for x
    x = 167,684,923,920,300/18,880,671.68
  6. Step 6: Final answer
    x = 8,881,300.77

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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.