Home / 27,519,619.73-37,977,099.53-15,129,923.94

Finding the Fourth Proportional to 27,519,619.73, 37,977,099.53 and 15,129,923.94

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Solution

The fourth proportional to 27,519,619.73, 37,977,099.53 and 15,129,923.94 is: 20,879,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,519,619.73 : 37,977,099.53 = 15,129,923.94 : x
  2. Step 2: Convert to fraction form
    27,519,619.73/37,977,099.53 = 15,129,923.94/x
  3. Step 3: Cross multiply
    27,519,619.73x = 37,977,099.53 × 15,129,923.94
  4. Step 4: Simplify right side
    27,519,619.73x = 574,590,627,275,060.12
  5. Step 5: Solve for x
    x = 574,590,627,275,060.12/27,519,619.73
  6. Step 6: Final answer
    x = 20,879,308.40

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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.