Home / 18,147,708.40-27,221,562.60-11,429,244.40

Finding the Fourth Proportional to 18,147,708.40, 27,221,562.60 and 11,429,244.40

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Solution

The fourth proportional to 18,147,708.40, 27,221,562.60 and 11,429,244.40 is: 17,143,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147,708.40 : 27,221,562.60 = 11,429,244.40 : x
  2. Step 2: Convert to fraction form
    18,147,708.40/27,221,562.60 = 11,429,244.40/x
  3. Step 3: Cross multiply
    18,147,708.40x = 27,221,562.60 × 11,429,244.40
  4. Step 4: Simplify right side
    18,147,708.40x = 311,121,891,905,299.44
  5. Step 5: Solve for x
    x = 311,121,891,905,299.44/18,147,708.40
  6. Step 6: Final answer
    x = 17,143,866.60

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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.