Home / 18,261,828.82-27,386,281.76-5,305,283.87

Finding the Fourth Proportional to 18,261,828.82, 27,386,281.76 and 5,305,283.87

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Solution

The fourth proportional to 18,261,828.82, 27,386,281.76 and 5,305,283.87 is: 7,956,048.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261,828.82 : 27,386,281.76 = 5,305,283.87 : x
  2. Step 2: Convert to fraction form
    18,261,828.82/27,386,281.76 = 5,305,283.87/x
  3. Step 3: Cross multiply
    18,261,828.82x = 27,386,281.76 × 5,305,283.87
  4. Step 4: Simplify right side
    18,261,828.82x = 145,291,998,922,542.47
  5. Step 5: Solve for x
    x = 145,291,998,922,542.47/18,261,828.82
  6. Step 6: Final answer
    x = 7,956,048.67

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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.