Home / 18,606,646.20-27,910,890.90-9,648,694.20

Finding the Fourth Proportional to 18,606,646.20, 27,910,890.90 and 9,648,694.20

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Solution

The fourth proportional to 18,606,646.20, 27,910,890.90 and 9,648,694.20 is: 14,473,519.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,606,646.20 : 27,910,890.90 = 9,648,694.20 : x
  2. Step 2: Convert to fraction form
    18,606,646.20/27,910,890.90 = 9,648,694.20/x
  3. Step 3: Cross multiply
    18,606,646.20x = 27,910,890.90 × 9,648,694.20
  4. Step 4: Simplify right side
    18,606,646.20x = 269,303,651,143,662.75
  5. Step 5: Solve for x
    x = 269,303,651,143,662.75/18,606,646.20
  6. Step 6: Final answer
    x = 14,473,519.21

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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.