Home / 18,065,939-27,104,231.82-7,277,688.32

Finding the Fourth Proportional to 18,065,939, 27,104,231.82 and 7,277,688.32

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Solution

The fourth proportional to 18,065,939, 27,104,231.82 and 7,277,688.32 is: 10,918,676.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,065,939 : 27,104,231.82 = 7,277,688.32 : x
  2. Step 2: Convert to fraction form
    18,065,939/27,104,231.82 = 7,277,688.32/x
  3. Step 3: Cross multiply
    18,065,939x = 27,104,231.82 × 7,277,688.32
  4. Step 4: Simplify right side
    18,065,939x = 197,256,151,338,986.34
  5. Step 5: Solve for x
    x = 197,256,151,338,986.34/18,065,939
  6. Step 6: Final answer
    x = 10,918,676.93

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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.