Home / 8,205,834.60-12,311,027.10-3,415,780.20

Finding the Fourth Proportional to 8,205,834.60, 12,311,027.10 and 3,415,780.20

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Solution

The fourth proportional to 8,205,834.60, 12,311,027.10 and 3,415,780.20 is: 5,124,617.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205,834.60 : 12,311,027.10 = 3,415,780.20 : x
  2. Step 2: Convert to fraction form
    8,205,834.60/12,311,027.10 = 3,415,780.20/x
  3. Step 3: Cross multiply
    8,205,834.60x = 12,311,027.10 × 3,415,780.20
  4. Step 4: Simplify right side
    8,205,834.60x = 42,051,762,609,843.42
  5. Step 5: Solve for x
    x = 42,051,762,609,843.42/8,205,834.60
  6. Step 6: Final answer
    x = 5,124,617.38

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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.