Home / 18,361,781.45-25,339,220.34-10,101,823.86

Finding the Fourth Proportional to 18,361,781.45, 25,339,220.34 and 10,101,823.86

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Solution

The fourth proportional to 18,361,781.45, 25,339,220.34 and 10,101,823.86 is: 13,940,495.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361,781.45 : 25,339,220.34 = 10,101,823.86 : x
  2. Step 2: Convert to fraction form
    18,361,781.45/25,339,220.34 = 10,101,823.86/x
  3. Step 3: Cross multiply
    18,361,781.45x = 25,339,220.34 × 10,101,823.86
  4. Step 4: Simplify right side
    18,361,781.45x = 255,972,340,624,409.28
  5. Step 5: Solve for x
    x = 255,972,340,624,409.28/18,361,781.45
  6. Step 6: Final answer
    x = 13,940,495.99

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1.5x scale

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.