Home / 27,519,619.16-37,977,098.74-15,129,923.38

Finding the Fourth Proportional to 27,519,619.16, 37,977,098.74 and 15,129,923.38

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Solution

The fourth proportional to 27,519,619.16, 37,977,098.74 and 15,129,923.38 is: 20,879,307.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,519,619.16 : 37,977,098.74 = 15,129,923.38 : x
  2. Step 2: Convert to fraction form
    27,519,619.16/37,977,098.74 = 15,129,923.38/x
  3. Step 3: Cross multiply
    27,519,619.16x = 37,977,098.74 × 15,129,923.38
  4. Step 4: Simplify right side
    27,519,619.16x = 574,590,593,998,126.88
  5. Step 5: Solve for x
    x = 574,590,593,998,126.88/27,519,619.16
  6. Step 6: Final answer
    x = 20,879,307.62

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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.