Home / 12,541,448.75-18,807,662.41-4,341,864.51

Finding the Fourth Proportional to 12,541,448.75, 18,807,662.41 and 4,341,864.51

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Solution

The fourth proportional to 12,541,448.75, 18,807,662.41 and 4,341,864.51 is: 6,511,235.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,541,448.75 : 18,807,662.41 = 4,341,864.51 : x
  2. Step 2: Convert to fraction form
    12,541,448.75/18,807,662.41 = 4,341,864.51/x
  3. Step 3: Cross multiply
    12,541,448.75x = 18,807,662.41 × 4,341,864.51
  4. Step 4: Simplify right side
    12,541,448.75x = 81,660,321,934,040.06
  5. Step 5: Solve for x
    x = 81,660,321,934,040.06/12,541,448.75
  6. Step 6: Final answer
    x = 6,511,235.15

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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.