Home / 13,757,834.82-18,986,237.01-7,563,354.86

Finding the Fourth Proportional to 13,757,834.82, 18,986,237.01 and 7,563,354.86

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Solution

The fourth proportional to 13,757,834.82, 18,986,237.01 and 7,563,354.86 is: 10,437,663.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,757,834.82 : 18,986,237.01 = 7,563,354.86 : x
  2. Step 2: Convert to fraction form
    13,757,834.82/18,986,237.01 = 7,563,354.86/x
  3. Step 3: Cross multiply
    13,757,834.82x = 18,986,237.01 × 7,563,354.86
  4. Step 4: Simplify right side
    13,757,834.82x = 143,599,647,962,695.38
  5. Step 5: Solve for x
    x = 143,599,647,962,695.38/13,757,834.82
  6. Step 6: Final answer
    x = 10,437,663.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.