Home / 12,822,521.29-19,237,377.73-5,151,552.78

Finding the Fourth Proportional to 12,822,521.29, 19,237,377.73 and 5,151,552.78

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Solution

The fourth proportional to 12,822,521.29, 19,237,377.73 and 5,151,552.78 is: 7,728,773.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,822,521.29 : 19,237,377.73 = 5,151,552.78 : x
  2. Step 2: Convert to fraction form
    12,822,521.29/19,237,377.73 = 5,151,552.78/x
  3. Step 3: Cross multiply
    12,822,521.29x = 19,237,377.73 × 5,151,552.78
  4. Step 4: Simplify right side
    12,822,521.29x = 99,102,366,724,891.59
  5. Step 5: Solve for x
    x = 99,102,366,724,891.59/12,822,521.29
  6. Step 6: Final answer
    x = 7,728,773.81

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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.