Home / 18,021,725.06-27,033,848.53-8,921,379.22

Finding the Fourth Proportional to 18,021,725.06, 27,033,848.53 and 8,921,379.22

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Solution

The fourth proportional to 18,021,725.06, 27,033,848.53 and 8,921,379.22 is: 13,382,693.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,021,725.06 : 27,033,848.53 = 8,921,379.22 : x
  2. Step 2: Convert to fraction form
    18,021,725.06/27,033,848.53 = 8,921,379.22/x
  3. Step 3: Cross multiply
    18,021,725.06x = 27,033,848.53 × 8,921,379.22
  4. Step 4: Simplify right side
    18,021,725.06x = 241,179,214,422,281.47
  5. Step 5: Solve for x
    x = 241,179,214,422,281.47/18,021,725.06
  6. Step 6: Final answer
    x = 13,382,693.04

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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.