Home / 18,299,443.80-27,417,672.90-11,906,405.40

Finding the Fourth Proportional to 18,299,443.80, 27,417,672.90 and 11,906,405.40

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Solution

The fourth proportional to 18,299,443.80, 27,417,672.90 and 11,906,405.40 is: 17,839,117.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,299,443.80 : 27,417,672.90 = 11,906,405.40 : x
  2. Step 2: Convert to fraction form
    18,299,443.80/27,417,672.90 = 11,906,405.40/x
  3. Step 3: Cross multiply
    18,299,443.80x = 27,417,672.90 × 11,906,405.40
  4. Step 4: Simplify right side
    18,299,443.80x = 326,445,928,671,993.62
  5. Step 5: Solve for x
    x = 326,445,928,671,993.62/18,299,443.80
  6. Step 6: Final answer
    x = 17,839,117.53

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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.