Home / 18,695,746.86-28,040,813.49-5,914,590.78

Finding the Fourth Proportional to 18,695,746.86, 28,040,813.49 and 5,914,590.78

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Solution

The fourth proportional to 18,695,746.86, 28,040,813.49 and 5,914,590.78 is: 8,870,998.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695,746.86 : 28,040,813.49 = 5,914,590.78 : x
  2. Step 2: Convert to fraction form
    18,695,746.86/28,040,813.49 = 5,914,590.78/x
  3. Step 3: Cross multiply
    18,695,746.86x = 28,040,813.49 × 5,914,590.78
  4. Step 4: Simplify right side
    18,695,746.86x = 165,849,936,931,653.62
  5. Step 5: Solve for x
    x = 165,849,936,931,653.62/18,695,746.86
  6. Step 6: Final answer
    x = 8,870,998.21

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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.