Home / 12,844,142.48-19,252,727.16-4,321,520.12

Finding the Fourth Proportional to 12,844,142.48, 19,252,727.16 and 4,321,520.12

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Solution

The fourth proportional to 12,844,142.48, 19,252,727.16 and 4,321,520.12 is: 6,477,742.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,844,142.48 : 19,252,727.16 = 4,321,520.12 : x
  2. Step 2: Convert to fraction form
    12,844,142.48/19,252,727.16 = 4,321,520.12/x
  3. Step 3: Cross multiply
    12,844,142.48x = 19,252,727.16 × 4,321,520.12
  4. Step 4: Simplify right side
    12,844,142.48x = 83,201,047,786,810.47
  5. Step 5: Solve for x
    x = 83,201,047,786,810.47/12,844,142.48
  6. Step 6: Final answer
    x = 6,477,742.51

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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.