Home / 18,133,820.10-27,177,110.55-7,342,287.30

Finding the Fourth Proportional to 18,133,820.10, 27,177,110.55 and 7,342,287.30

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Solution

The fourth proportional to 18,133,820.10, 27,177,110.55 and 7,342,287.30 is: 11,003,867.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133,820.10 : 27,177,110.55 = 7,342,287.30 : x
  2. Step 2: Convert to fraction form
    18,133,820.10/27,177,110.55 = 7,342,287.30/x
  3. Step 3: Cross multiply
    18,133,820.10x = 27,177,110.55 × 7,342,287.30
  4. Step 4: Simplify right side
    18,133,820.10x = 199,542,153,641,961
  5. Step 5: Solve for x
    x = 199,542,153,641,961/18,133,820.10
  6. Step 6: Final answer
    x = 11,003,867.50

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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.