Home / 27,519,620.85-37,977,101.07-15,129,925.07

Finding the Fourth Proportional to 27,519,620.85, 37,977,101.07 and 15,129,925.07

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Solution

The fourth proportional to 27,519,620.85, 37,977,101.07 and 15,129,925.07 is: 20,879,309.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,519,620.85 : 37,977,101.07 = 15,129,925.07 : x
  2. Step 2: Convert to fraction form
    27,519,620.85/37,977,101.07 = 15,129,925.07/x
  3. Step 3: Cross multiply
    27,519,620.85x = 37,977,101.07 × 15,129,925.07
  4. Step 4: Simplify right side
    27,519,620.85x = 574,590,693,659,859.62
  5. Step 5: Solve for x
    x = 574,590,693,659,859.62/27,519,620.85
  6. Step 6: Final answer
    x = 20,879,309.96

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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.