Home / 8,108,809.60-12,161,659.20-2,429,219.20

Finding the Fourth Proportional to 8,108,809.60, 12,161,659.20 and 2,429,219.20

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Solution

The fourth proportional to 8,108,809.60, 12,161,659.20 and 2,429,219.20 is: 3,643,362.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108,809.60 : 12,161,659.20 = 2,429,219.20 : x
  2. Step 2: Convert to fraction form
    8,108,809.60/12,161,659.20 = 2,429,219.20/x
  3. Step 3: Cross multiply
    8,108,809.60x = 12,161,659.20 × 2,429,219.20
  4. Step 4: Simplify right side
    8,108,809.60x = 29,543,336,032,496.64
  5. Step 5: Solve for x
    x = 29,543,336,032,496.64/8,108,809.60
  6. Step 6: Final answer
    x = 3,643,362.90

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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.