Home / 12,749,112.22-19,127,398.78-4,113,046.12

Finding the Fourth Proportional to 12,749,112.22, 19,127,398.78 and 4,113,046.12

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Solution

The fourth proportional to 12,749,112.22, 19,127,398.78 and 4,113,046.12 is: 6,170,772.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,749,112.22 : 19,127,398.78 = 4,113,046.12 : x
  2. Step 2: Convert to fraction form
    12,749,112.22/19,127,398.78 = 4,113,046.12/x
  3. Step 3: Cross multiply
    12,749,112.22x = 19,127,398.78 × 4,113,046.12
  4. Step 4: Simplify right side
    12,749,112.22x = 78,671,873,337,771.73
  5. Step 5: Solve for x
    x = 78,671,873,337,771.73/12,749,112.22
  6. Step 6: Final answer
    x = 6,170,772.68

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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.