Home / 21,821,248.32-30,106,640.16-12,652,050.24

Finding the Fourth Proportional to 21,821,248.32, 30,106,640.16 and 12,652,050.24

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Solution

The fourth proportional to 21,821,248.32, 30,106,640.16 and 12,652,050.24 is: 17,455,954.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,821,248.32 : 30,106,640.16 = 12,652,050.24 : x
  2. Step 2: Convert to fraction form
    21,821,248.32/30,106,640.16 = 12,652,050.24/x
  3. Step 3: Cross multiply
    21,821,248.32x = 30,106,640.16 × 12,652,050.24
  4. Step 4: Simplify right side
    21,821,248.32x = 380,910,723,861,921.62
  5. Step 5: Solve for x
    x = 380,910,723,861,921.62/21,821,248.32
  6. Step 6: Final answer
    x = 17,455,954.78

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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.