Home / 8,413,131.44-12,614,642.76-3,289,457.12

Finding the Fourth Proportional to 8,413,131.44, 12,614,642.76 and 3,289,457.12

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Solution

The fourth proportional to 8,413,131.44, 12,614,642.76 and 3,289,457.12 is: 4,932,209.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413,131.44 : 12,614,642.76 = 3,289,457.12 : x
  2. Step 2: Convert to fraction form
    8,413,131.44/12,614,642.76 = 3,289,457.12/x
  3. Step 3: Cross multiply
    8,413,131.44x = 12,614,642.76 × 3,289,457.12
  4. Step 4: Simplify right side
    8,413,131.44x = 41,495,326,443,138.45
  5. Step 5: Solve for x
    x = 41,495,326,443,138.45/8,413,131.44
  6. Step 6: Final answer
    x = 4,932,209.46

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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.