Home / 13,607,403.82-20,400,842.82-8,214,772.52

Finding the Fourth Proportional to 13,607,403.82, 20,400,842.82 and 8,214,772.52

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Solution

The fourth proportional to 13,607,403.82, 20,400,842.82 and 8,214,772.52 is: 12,315,963.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,607,403.82 : 20,400,842.82 = 8,214,772.52 : x
  2. Step 2: Convert to fraction form
    13,607,403.82/20,400,842.82 = 8,214,772.52/x
  3. Step 3: Cross multiply
    13,607,403.82x = 20,400,842.82 × 8,214,772.52
  4. Step 4: Simplify right side
    13,607,403.82x = 167,588,282,982,575.31
  5. Step 5: Solve for x
    x = 167,588,282,982,575.31/13,607,403.82
  6. Step 6: Final answer
    x = 12,315,963.07

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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.