Home / 18,321,831.20-27,482,746.80-11,597,837.60

Finding the Fourth Proportional to 18,321,831.20, 27,482,746.80 and 11,597,837.60

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Solution

The fourth proportional to 18,321,831.20, 27,482,746.80 and 11,597,837.60 is: 17,396,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321,831.20 : 27,482,746.80 = 11,597,837.60 : x
  2. Step 2: Convert to fraction form
    18,321,831.20/27,482,746.80 = 11,597,837.60/x
  3. Step 3: Cross multiply
    18,321,831.20x = 27,482,746.80 × 11,597,837.60
  4. Step 4: Simplify right side
    18,321,831.20x = 318,740,434,188,319.69
  5. Step 5: Solve for x
    x = 318,740,434,188,319.69/18,321,831.20
  6. Step 6: Final answer
    x = 17,396,756.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.