Home / 18,057,038.82-27,079,259.67-7,954,148.58

Finding the Fourth Proportional to 18,057,038.82, 27,079,259.67 and 7,954,148.58

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Solution

The fourth proportional to 18,057,038.82, 27,079,259.67 and 7,954,148.58 is: 11,928,448.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,057,038.82 : 27,079,259.67 = 7,954,148.58 : x
  2. Step 2: Convert to fraction form
    18,057,038.82/27,079,259.67 = 7,954,148.58/x
  3. Step 3: Cross multiply
    18,057,038.82x = 27,079,259.67 × 7,954,148.58
  4. Step 4: Simplify right side
    18,057,038.82x = 215,392,454,851,581.78
  5. Step 5: Solve for x
    x = 215,392,454,851,581.78/18,057,038.82
  6. Step 6: Final answer
    x = 11,928,448.35

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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.