Home / 27,519,617.66-37,977,096.67-15,129,921.89

Finding the Fourth Proportional to 27,519,617.66, 37,977,096.67 and 15,129,921.89

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Solution

The fourth proportional to 27,519,617.66, 37,977,096.67 and 15,129,921.89 is: 20,879,305.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,519,617.66 : 37,977,096.67 = 15,129,921.89 : x
  2. Step 2: Convert to fraction form
    27,519,617.66/37,977,096.67 = 15,129,921.89/x
  3. Step 3: Cross multiply
    27,519,617.66x = 37,977,096.67 × 15,129,921.89
  4. Step 4: Simplify right side
    27,519,617.66x = 574,590,505,998,368.75
  5. Step 5: Solve for x
    x = 574,590,505,998,368.75/27,519,617.66
  6. Step 6: Final answer
    x = 20,879,305.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.