Home / 8,104,043.20-12,156,064.80-2,120,411.20

Finding the Fourth Proportional to 8,104,043.20, 12,156,064.80 and 2,120,411.20

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Solution

The fourth proportional to 8,104,043.20, 12,156,064.80 and 2,120,411.20 is: 3,180,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104,043.20 : 12,156,064.80 = 2,120,411.20 : x
  2. Step 2: Convert to fraction form
    8,104,043.20/12,156,064.80 = 2,120,411.20/x
  3. Step 3: Cross multiply
    8,104,043.20x = 12,156,064.80 × 2,120,411.20
  4. Step 4: Simplify right side
    8,104,043.20x = 25,775,855,949,845.77
  5. Step 5: Solve for x
    x = 25,775,855,949,845.77/8,104,043.20
  6. Step 6: Final answer
    x = 3,180,616.80

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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.