Home / 11,853,078.20-17,779,617.30-10,621,359.80

Finding the Fourth Proportional to 11,853,078.20, 17,779,617.30 and 10,621,359.80

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Solution

The fourth proportional to 11,853,078.20, 17,779,617.30 and 10,621,359.80 is: 15,932,039.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,853,078.20 : 17,779,617.30 = 10,621,359.80 : x
  2. Step 2: Convert to fraction form
    11,853,078.20/17,779,617.30 = 10,621,359.80/x
  3. Step 3: Cross multiply
    11,853,078.20x = 17,779,617.30 × 10,621,359.80
  4. Step 4: Simplify right side
    11,853,078.20x = 188,843,712,449,604.56
  5. Step 5: Solve for x
    x = 188,843,712,449,604.56/11,853,078.20
  6. Step 6: Final answer
    x = 15,932,039.70

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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.