Home / 18,751,410.20-28,127,115.30-5,288,238.20

Finding the Fourth Proportional to 18,751,410.20, 28,127,115.30 and 5,288,238.20

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Solution

The fourth proportional to 18,751,410.20, 28,127,115.30 and 5,288,238.20 is: 7,932,357.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,751,410.20 : 28,127,115.30 = 5,288,238.20 : x
  2. Step 2: Convert to fraction form
    18,751,410.20/28,127,115.30 = 5,288,238.20/x
  3. Step 3: Cross multiply
    18,751,410.20x = 28,127,115.30 × 5,288,238.20
  4. Step 4: Simplify right side
    18,751,410.20x = 148,742,885,585,264.47
  5. Step 5: Solve for x
    x = 148,742,885,585,264.47/18,751,410.20
  6. Step 6: Final answer
    x = 7,932,357.30

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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.