Home / 13,745,299.86-18,968,558.13-7,633,728.36

Finding the Fourth Proportional to 13,745,299.86, 18,968,558.13 and 7,633,728.36

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Solution

The fourth proportional to 13,745,299.86, 18,968,558.13 and 7,633,728.36 is: 10,534,569.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,745,299.86 : 18,968,558.13 = 7,633,728.36 : x
  2. Step 2: Convert to fraction form
    13,745,299.86/18,968,558.13 = 7,633,728.36/x
  3. Step 3: Cross multiply
    13,745,299.86x = 18,968,558.13 × 7,633,728.36
  4. Step 4: Simplify right side
    13,745,299.86x = 144,800,820,145,289.56
  5. Step 5: Solve for x
    x = 144,800,820,145,289.56/13,745,299.86
  6. Step 6: Final answer
    x = 10,534,569.75

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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.