Home / 8,114,429.20-12,171,643.80-3,862,901.20

Finding the Fourth Proportional to 8,114,429.20, 12,171,643.80 and 3,862,901.20

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Solution

The fourth proportional to 8,114,429.20, 12,171,643.80 and 3,862,901.20 is: 5,794,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,114,429.20 : 12,171,643.80 = 3,862,901.20 : x
  2. Step 2: Convert to fraction form
    8,114,429.20/12,171,643.80 = 3,862,901.20/x
  3. Step 3: Cross multiply
    8,114,429.20x = 12,171,643.80 × 3,862,901.20
  4. Step 4: Simplify right side
    8,114,429.20x = 47,017,857,440,992.56
  5. Step 5: Solve for x
    x = 47,017,857,440,992.56/8,114,429.20
  6. Step 6: Final answer
    x = 5,794,351.80

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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.