Home / 7,703,391.62-11,557,006.32-2,312,141.78

Finding the Fourth Proportional to 7,703,391.62, 11,557,006.32 and 2,312,141.78

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Solution

The fourth proportional to 7,703,391.62, 11,557,006.32 and 2,312,141.78 is: 3,468,788.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,703,391.62 : 11,557,006.32 = 2,312,141.78 : x
  2. Step 2: Convert to fraction form
    7,703,391.62/11,557,006.32 = 2,312,141.78/x
  3. Step 3: Cross multiply
    7,703,391.62x = 11,557,006.32 × 2,312,141.78
  4. Step 4: Simplify right side
    7,703,391.62x = 26,721,437,106,411.02
  5. Step 5: Solve for x
    x = 26,721,437,106,411.02/7,703,391.62
  6. Step 6: Final answer
    x = 3,468,788.61

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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.