Home / 19,529,876.61-29,296,412.34-9,809,491.46

Finding the Fourth Proportional to 19,529,876.61, 29,296,412.34 and 9,809,491.46

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Solution

The fourth proportional to 19,529,876.61, 29,296,412.34 and 9,809,491.46 is: 14,715,039.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,529,876.61 : 29,296,412.34 = 9,809,491.46 : x
  2. Step 2: Convert to fraction form
    19,529,876.61/29,296,412.34 = 9,809,491.46/x
  3. Step 3: Cross multiply
    19,529,876.61x = 29,296,412.34 × 9,809,491.46
  4. Step 4: Simplify right side
    19,529,876.61x = 287,382,906,511,386.56
  5. Step 5: Solve for x
    x = 287,382,906,511,386.56/19,529,876.61
  6. Step 6: Final answer
    x = 14,715,039.54

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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.