Home / 27,609,131.21-38,102,878.79-15,850,668.72

Finding the Fourth Proportional to 27,609,131.21, 38,102,878.79 and 15,850,668.72

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Solution

The fourth proportional to 27,609,131.21, 38,102,878.79 and 15,850,668.72 is: 21,875,230.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,609,131.21 : 38,102,878.79 = 15,850,668.72 : x
  2. Step 2: Convert to fraction form
    27,609,131.21/38,102,878.79 = 15,850,668.72/x
  3. Step 3: Cross multiply
    27,609,131.21x = 38,102,878.79 × 15,850,668.72
  4. Step 4: Simplify right side
    27,609,131.21x = 603,956,108,976,508.25
  5. Step 5: Solve for x
    x = 603,956,108,976,508.25/27,609,131.21
  6. Step 6: Final answer
    x = 21,875,230.50

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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.