Home / 18,147,696.40-27,221,544.60-11,429,232.40

Finding the Fourth Proportional to 18,147,696.40, 27,221,544.60 and 11,429,232.40

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Solution

The fourth proportional to 18,147,696.40, 27,221,544.60 and 11,429,232.40 is: 17,143,848.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147,696.40 : 27,221,544.60 = 11,429,232.40 : x
  2. Step 2: Convert to fraction form
    18,147,696.40/27,221,544.60 = 11,429,232.40/x
  3. Step 3: Cross multiply
    18,147,696.40x = 27,221,544.60 × 11,429,232.40
  4. Step 4: Simplify right side
    18,147,696.40x = 311,121,359,520,365.06
  5. Step 5: Solve for x
    x = 311,121,359,520,365.06/18,147,696.40
  6. Step 6: Final answer
    x = 17,143,848.60

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1.5x scale

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.