Home / 18,640,762.80-27,965,380.11-5,688,072.15

Finding the Fourth Proportional to 18,640,762.80, 27,965,380.11 and 5,688,072.15

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Solution

The fourth proportional to 18,640,762.80, 27,965,380.11 and 5,688,072.15 is: 8,533,400.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,640,762.80 : 27,965,380.11 = 5,688,072.15 : x
  2. Step 2: Convert to fraction form
    18,640,762.80/27,965,380.11 = 5,688,072.15/x
  3. Step 3: Cross multiply
    18,640,762.80x = 27,965,380.11 × 5,688,072.15
  4. Step 4: Simplify right side
    18,640,762.80x = 159,069,099,767,854.94
  5. Step 5: Solve for x
    x = 159,069,099,767,854.94/18,640,762.80
  6. Step 6: Final answer
    x = 8,533,400.78

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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.