Home / 18,372,866.74-27,561,016.90-5,419,030.02

Finding the Fourth Proportional to 18,372,866.74, 27,561,016.90 and 5,419,030.02

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Solution

The fourth proportional to 18,372,866.74, 27,561,016.90 and 5,419,030.02 is: 8,129,051.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372,866.74 : 27,561,016.90 = 5,419,030.02 : x
  2. Step 2: Convert to fraction form
    18,372,866.74/27,561,016.90 = 5,419,030.02/x
  3. Step 3: Cross multiply
    18,372,866.74x = 27,561,016.90 × 5,419,030.02
  4. Step 4: Simplify right side
    18,372,866.74x = 149,353,977,962,827.31
  5. Step 5: Solve for x
    x = 149,353,977,962,827.31/18,372,866.74
  6. Step 6: Final answer
    x = 8,129,051.39

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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.