Home / 8,121,692.22-12,176,212.88-4,020,182.16

Finding the Fourth Proportional to 8,121,692.22, 12,176,212.88 and 4,020,182.16

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Solution

The fourth proportional to 8,121,692.22, 12,176,212.88 and 4,020,182.16 is: 6,027,142.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121,692.22 : 12,176,212.88 = 4,020,182.16 : x
  2. Step 2: Convert to fraction form
    8,121,692.22/12,176,212.88 = 4,020,182.16/x
  3. Step 3: Cross multiply
    8,121,692.22x = 12,176,212.88 × 4,020,182.16
  4. Step 4: Simplify right side
    8,121,692.22x = 48,950,593,776,437.31
  5. Step 5: Solve for x
    x = 48,950,593,776,437.31/8,121,692.22
  6. Step 6: Final answer
    x = 6,027,142.18

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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.