Home / 8,169,163.86-12,255,075.60-2,412,479.76

Finding the Fourth Proportional to 8,169,163.86, 12,255,075.60 and 2,412,479.76

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Solution

The fourth proportional to 8,169,163.86, 12,255,075.60 and 2,412,479.76 is: 3,619,112.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169,163.86 : 12,255,075.60 = 2,412,479.76 : x
  2. Step 2: Convert to fraction form
    8,169,163.86/12,255,075.60 = 2,412,479.76/x
  3. Step 3: Cross multiply
    8,169,163.86x = 12,255,075.60 × 2,412,479.76
  4. Step 4: Simplify right side
    8,169,163.86x = 29,565,121,842,269.85
  5. Step 5: Solve for x
    x = 29,565,121,842,269.85/8,169,163.86
  6. Step 6: Final answer
    x = 3,619,112.35

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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.