Home / 22,233,887.78-33,353,521.68-7,854,012.86

Finding the Fourth Proportional to 22,233,887.78, 33,353,521.68 and 7,854,012.86

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Solution

The fourth proportional to 22,233,887.78, 33,353,521.68 and 7,854,012.86 is: 11,781,969.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,233,887.78 : 33,353,521.68 = 7,854,012.86 : x
  2. Step 2: Convert to fraction form
    22,233,887.78/33,353,521.68 = 7,854,012.86/x
  3. Step 3: Cross multiply
    22,233,887.78x = 33,353,521.68 × 7,854,012.86
  4. Step 4: Simplify right side
    22,233,887.78x = 261,958,988,201,008.81
  5. Step 5: Solve for x
    x = 261,958,988,201,008.81/22,233,887.78
  6. Step 6: Final answer
    x = 11,781,969.52

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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.