Home / 13,100,183.72-19,654,127.58-3,878,390.66

Finding the Fourth Proportional to 13,100,183.72, 19,654,127.58 and 3,878,390.66

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Solution

The fourth proportional to 13,100,183.72, 19,654,127.58 and 3,878,390.66 is: 5,818,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,100,183.72 : 19,654,127.58 = 3,878,390.66 : x
  2. Step 2: Convert to fraction form
    13,100,183.72/19,654,127.58 = 3,878,390.66/x
  3. Step 3: Cross multiply
    13,100,183.72x = 19,654,127.58 × 3,878,390.66
  4. Step 4: Simplify right side
    13,100,183.72x = 76,226,384,836,720.41
  5. Step 5: Solve for x
    x = 76,226,384,836,720.41/13,100,183.72
  6. Step 6: Final answer
    x = 5,818,726.40

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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.