Home / 12,182,982.35-18,262,159.19-7,637,221.14

Finding the Fourth Proportional to 12,182,982.35, 18,262,159.19 and 7,637,221.14

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Solution

The fourth proportional to 12,182,982.35, 18,262,159.19 and 7,637,221.14 is: 11,448,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,182,982.35 : 18,262,159.19 = 7,637,221.14 : x
  2. Step 2: Convert to fraction form
    12,182,982.35/18,262,159.19 = 7,637,221.14/x
  3. Step 3: Cross multiply
    12,182,982.35x = 18,262,159.19 × 7,637,221.14
  4. Step 4: Simplify right side
    12,182,982.35x = 139,472,148,149,883.66
  5. Step 5: Solve for x
    x = 139,472,148,149,883.66/12,182,982.35
  6. Step 6: Final answer
    x = 11,448,112.15

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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.