Home / 18,021,038.78-27,023,475.74-10,737,930.56

Finding the Fourth Proportional to 18,021,038.78, 27,023,475.74 and 10,737,930.56

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Solution

The fourth proportional to 18,021,038.78, 27,023,475.74 and 10,737,930.56 is: 16,102,079.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,021,038.78 : 27,023,475.74 = 10,737,930.56 : x
  2. Step 2: Convert to fraction form
    18,021,038.78/27,023,475.74 = 10,737,930.56/x
  3. Step 3: Cross multiply
    18,021,038.78x = 27,023,475.74 × 10,737,930.56
  4. Step 4: Simplify right side
    18,021,038.78x = 290,176,205,797,157.56
  5. Step 5: Solve for x
    x = 290,176,205,797,157.56/18,021,038.78
  6. Step 6: Final answer
    x = 16,102,079.87

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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.