Home / 8,505,440.10-12,758,206.32-2,115,692.64

Finding the Fourth Proportional to 8,505,440.10, 12,758,206.32 and 2,115,692.64

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Solution

The fourth proportional to 8,505,440.10, 12,758,206.32 and 2,115,692.64 is: 3,173,550.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505,440.10 : 12,758,206.32 = 2,115,692.64 : x
  2. Step 2: Convert to fraction form
    8,505,440.10/12,758,206.32 = 2,115,692.64/x
  3. Step 3: Cross multiply
    8,505,440.10x = 12,758,206.32 × 2,115,692.64
  4. Step 4: Simplify right side
    8,505,440.10x = 26,992,443,210,825.49
  5. Step 5: Solve for x
    x = 26,992,443,210,825.49/8,505,440.10
  6. Step 6: Final answer
    x = 3,173,550.44

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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.