Home / 20,143,436.40-27,797,073-11,441,581.92

Finding the Fourth Proportional to 20,143,436.40, 27,797,073 and 11,441,581.92

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Solution

The fourth proportional to 20,143,436.40, 27,797,073 and 11,441,581.92 is: 15,788,889.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,143,436.40 : 27,797,073 = 11,441,581.92 : x
  2. Step 2: Convert to fraction form
    20,143,436.40/27,797,073 = 11,441,581.92/x
  3. Step 3: Cross multiply
    20,143,436.40x = 27,797,073 × 11,441,581.92
  4. Step 4: Simplify right side
    20,143,436.40x = 318,042,487,865,720.19
  5. Step 5: Solve for x
    x = 318,042,487,865,720.19/20,143,436.40
  6. Step 6: Final answer
    x = 15,788,889.32

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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.