Home / 54,912,671.91-82,373,795.12-18,013,498.56

Finding the Fourth Proportional to 54,912,671.91, 82,373,795.12 and 18,013,498.56

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Solution

The fourth proportional to 54,912,671.91, 82,373,795.12 and 18,013,498.56 is: 27,021,818.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,912,671.91 : 82,373,795.12 = 18,013,498.56 : x
  2. Step 2: Convert to fraction form
    54,912,671.91/82,373,795.12 = 18,013,498.56/x
  3. Step 3: Cross multiply
    54,912,671.91x = 82,373,795.12 × 18,013,498.56
  4. Step 4: Simplify right side
    54,912,671.91x = 1,483,840,239,685,787.25
  5. Step 5: Solve for x
    x = 1,483,840,239,685,787.25/54,912,671.91
  6. Step 6: Final answer
    x = 27,021,818.24

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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.