Home / 18,300,027.87-27,450,238.91-5,520,643.29

Finding the Fourth Proportional to 18,300,027.87, 27,450,238.91 and 5,520,643.29

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Solution

The fourth proportional to 18,300,027.87, 27,450,238.91 and 5,520,643.29 is: 8,281,024.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,300,027.87 : 27,450,238.91 = 5,520,643.29 : x
  2. Step 2: Convert to fraction form
    18,300,027.87/27,450,238.91 = 5,520,643.29/x
  3. Step 3: Cross multiply
    18,300,027.87x = 27,450,238.91 × 5,520,643.29
  4. Step 4: Simplify right side
    18,300,027.87x = 151,542,977,219,785.22
  5. Step 5: Solve for x
    x = 151,542,977,219,785.22/18,300,027.87
  6. Step 6: Final answer
    x = 8,281,024.39

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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.