Home / 18,188,102.40-27,289,370.70-7,406,192.40

Finding the Fourth Proportional to 18,188,102.40, 27,289,370.70 and 7,406,192.40

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Solution

The fourth proportional to 18,188,102.40, 27,289,370.70 and 7,406,192.40 is: 11,112,227.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,188,102.40 : 27,289,370.70 = 7,406,192.40 : x
  2. Step 2: Convert to fraction form
    18,188,102.40/27,289,370.70 = 7,406,192.40/x
  3. Step 3: Cross multiply
    18,188,102.40x = 27,289,370.70 × 7,406,192.40
  4. Step 4: Simplify right side
    18,188,102.40x = 202,110,329,879,122.69
  5. Step 5: Solve for x
    x = 202,110,329,879,122.69/18,188,102.40
  6. Step 6: Final answer
    x = 11,112,227.40

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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.