Home / 18,365,842.88-25,344,102.10-9,993,247.22

Finding the Fourth Proportional to 18,365,842.88, 25,344,102.10 and 9,993,247.22

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Solution

The fourth proportional to 18,365,842.88, 25,344,102.10 and 9,993,247.22 is: 13,790,267.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365,842.88 : 25,344,102.10 = 9,993,247.22 : x
  2. Step 2: Convert to fraction form
    18,365,842.88/25,344,102.10 = 9,993,247.22/x
  3. Step 3: Cross multiply
    18,365,842.88x = 25,344,102.10 × 9,993,247.22
  4. Step 4: Simplify right side
    18,365,842.88x = 253,269,877,835,032.59
  5. Step 5: Solve for x
    x = 253,269,877,835,032.59/18,365,842.88
  6. Step 6: Final answer
    x = 13,790,267.04

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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.