Home / 12,582,145.47-18,873,028.57-5,660,736.90

Finding the Fourth Proportional to 12,582,145.47, 18,873,028.57 and 5,660,736.90

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Solution

The fourth proportional to 12,582,145.47, 18,873,028.57 and 5,660,736.90 is: 8,491,020.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582,145.47 : 18,873,028.57 = 5,660,736.90 : x
  2. Step 2: Convert to fraction form
    12,582,145.47/18,873,028.57 = 5,660,736.90/x
  3. Step 3: Cross multiply
    12,582,145.47x = 18,873,028.57 × 5,660,736.90
  4. Step 4: Simplify right side
    12,582,145.47x = 106,835,249,240,953.23
  5. Step 5: Solve for x
    x = 106,835,249,240,953.23/12,582,145.47
  6. Step 6: Final answer
    x = 8,491,020.03

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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.