Home / 12,582,144.47-18,873,027.07-5,660,735.90

Finding the Fourth Proportional to 12,582,144.47, 18,873,027.07 and 5,660,735.90

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Solution

The fourth proportional to 12,582,144.47, 18,873,027.07 and 5,660,735.90 is: 8,491,018.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582,144.47 : 18,873,027.07 = 5,660,735.90 : x
  2. Step 2: Convert to fraction form
    12,582,144.47/18,873,027.07 = 5,660,735.90/x
  3. Step 3: Cross multiply
    12,582,144.47x = 18,873,027.07 × 5,660,735.90
  4. Step 4: Simplify right side
    12,582,144.47x = 106,835,221,768,303.83
  5. Step 5: Solve for x
    x = 106,835,221,768,303.83/12,582,144.47
  6. Step 6: Final answer
    x = 8,491,018.52

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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.