Home / 19,165,329-28,733,821.74-11,590,610.76

Finding the Fourth Proportional to 19,165,329, 28,733,821.74 and 11,590,610.76

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Solution

The fourth proportional to 19,165,329, 28,733,821.74 and 11,590,610.76 is: 17,377,345.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165,329 : 28,733,821.74 = 11,590,610.76 : x
  2. Step 2: Convert to fraction form
    19,165,329/28,733,821.74 = 11,590,610.76/x
  3. Step 3: Cross multiply
    19,165,329x = 28,733,821.74 × 11,590,610.76
  4. Step 4: Simplify right side
    19,165,329x = 333,042,543,435,565.88
  5. Step 5: Solve for x
    x = 333,042,543,435,565.88/19,165,329
  6. Step 6: Final answer
    x = 17,377,345.49

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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.