Home / 22,301,972.64-30,778,577.28-12,379,789.24

Finding the Fourth Proportional to 22,301,972.64, 30,778,577.28 and 12,379,789.24

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Solution

The fourth proportional to 22,301,972.64, 30,778,577.28 and 12,379,789.24 is: 17,085,138.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,301,972.64 : 30,778,577.28 = 12,379,789.24 : x
  2. Step 2: Convert to fraction form
    22,301,972.64/30,778,577.28 = 12,379,789.24/x
  3. Step 3: Cross multiply
    22,301,972.64x = 30,778,577.28 × 12,379,789.24
  4. Step 4: Simplify right side
    22,301,972.64x = 381,032,299,833,452.50
  5. Step 5: Solve for x
    x = 381,032,299,833,452.50/22,301,972.64
  6. Step 6: Final answer
    x = 17,085,138.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.