Home / 18,331,316.20-27,496,974.30-9,828,260.20

Finding the Fourth Proportional to 18,331,316.20, 27,496,974.30 and 9,828,260.20

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Solution

The fourth proportional to 18,331,316.20, 27,496,974.30 and 9,828,260.20 is: 14,742,390.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331,316.20 : 27,496,974.30 = 9,828,260.20 : x
  2. Step 2: Convert to fraction form
    18,331,316.20/27,496,974.30 = 9,828,260.20/x
  3. Step 3: Cross multiply
    18,331,316.20x = 27,496,974.30 × 9,828,260.20
  4. Step 4: Simplify right side
    18,331,316.20x = 270,247,418,133,112.84
  5. Step 5: Solve for x
    x = 270,247,418,133,112.84/18,331,316.20
  6. Step 6: Final answer
    x = 14,742,390.30

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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.