Home / 12,979,156.92-19,455,006.24-4,888,632

Finding the Fourth Proportional to 12,979,156.92, 19,455,006.24 and 4,888,632

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Solution

The fourth proportional to 12,979,156.92, 19,455,006.24 and 4,888,632 is: 7,327,776.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,979,156.92 : 19,455,006.24 = 4,888,632 : x
  2. Step 2: Convert to fraction form
    12,979,156.92/19,455,006.24 = 4,888,632/x
  3. Step 3: Cross multiply
    12,979,156.92x = 19,455,006.24 × 4,888,632
  4. Step 4: Simplify right side
    12,979,156.92x = 95,108,366,065,063.67
  5. Step 5: Solve for x
    x = 95,108,366,065,063.67/12,979,156.92
  6. Step 6: Final answer
    x = 7,327,776.88

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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.