Home / 18,751,544.20-28,127,316.30-5,288,372.20

Finding the Fourth Proportional to 18,751,544.20, 28,127,316.30 and 5,288,372.20

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Solution

The fourth proportional to 18,751,544.20, 28,127,316.30 and 5,288,372.20 is: 7,932,558.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,751,544.20 : 28,127,316.30 = 5,288,372.20 : x
  2. Step 2: Convert to fraction form
    18,751,544.20/28,127,316.30 = 5,288,372.20/x
  3. Step 3: Cross multiply
    18,751,544.20x = 28,127,316.30 × 5,288,372.20
  4. Step 4: Simplify right side
    18,751,544.20x = 148,747,717,581,526.88
  5. Step 5: Solve for x
    x = 148,747,717,581,526.88/18,751,544.20
  6. Step 6: Final answer
    x = 7,932,558.30

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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.