Home / 12,885,022.63-19,327,537.59-3,787,120.86

Finding the Fourth Proportional to 12,885,022.63, 19,327,537.59 and 3,787,120.86

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Solution

The fourth proportional to 12,885,022.63, 19,327,537.59 and 3,787,120.86 is: 5,680,682.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,885,022.63 : 19,327,537.59 = 3,787,120.86 : x
  2. Step 2: Convert to fraction form
    12,885,022.63/19,327,537.59 = 3,787,120.86/x
  3. Step 3: Cross multiply
    12,885,022.63x = 19,327,537.59 × 3,787,120.86
  4. Step 4: Simplify right side
    12,885,022.63x = 73,195,720,779,523.12
  5. Step 5: Solve for x
    x = 73,195,720,779,523.12/12,885,022.63
  6. Step 6: Final answer
    x = 5,680,682.36

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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.