Home / 12,885,021.63-19,327,536.09-3,787,119.86

Finding the Fourth Proportional to 12,885,021.63, 19,327,536.09 and 3,787,119.86

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Solution

The fourth proportional to 12,885,021.63, 19,327,536.09 and 3,787,119.86 is: 5,680,680.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,885,021.63 : 19,327,536.09 = 3,787,119.86 : x
  2. Step 2: Convert to fraction form
    12,885,021.63/19,327,536.09 = 3,787,119.86/x
  3. Step 3: Cross multiply
    12,885,021.63x = 19,327,536.09 × 3,787,119.86
  4. Step 4: Simplify right side
    12,885,021.63x = 73,195,695,674,668.06
  5. Step 5: Solve for x
    x = 73,195,695,674,668.06/12,885,021.63
  6. Step 6: Final answer
    x = 5,680,680.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.