Home / 8,476,709.20-12,704,004.60-3,927,230.80

Finding the Fourth Proportional to 8,476,709.20, 12,704,004.60 and 3,927,230.80

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Solution

The fourth proportional to 8,476,709.20, 12,704,004.60 and 3,927,230.80 is: 5,885,722.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476,709.20 : 12,704,004.60 = 3,927,230.80 : x
  2. Step 2: Convert to fraction form
    8,476,709.20/12,704,004.60 = 3,927,230.80/x
  3. Step 3: Cross multiply
    8,476,709.20x = 12,704,004.60 × 3,927,230.80
  4. Step 4: Simplify right side
    8,476,709.20x = 49,891,558,148,461.68
  5. Step 5: Solve for x
    x = 49,891,558,148,461.68/8,476,709.20
  6. Step 6: Final answer
    x = 5,885,722.51

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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.