Home / 18,483,102.81-25,498,871.67-12,373,499.61

Finding the Fourth Proportional to 18,483,102.81, 25,498,871.67 and 12,373,499.61

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Solution

The fourth proportional to 18,483,102.81, 25,498,871.67 and 12,373,499.61 is: 17,070,200.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,483,102.81 : 25,498,871.67 = 12,373,499.61 : x
  2. Step 2: Convert to fraction form
    18,483,102.81/25,498,871.67 = 12,373,499.61/x
  3. Step 3: Cross multiply
    18,483,102.81x = 25,498,871.67 × 12,373,499.61
  4. Step 4: Simplify right side
    18,483,102.81x = 315,510,278,664,185.06
  5. Step 5: Solve for x
    x = 315,510,278,664,185.06/18,483,102.81
  6. Step 6: Final answer
    x = 17,070,200.92

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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.