Home / 30,250,955.70-45,322,305.30-18,398,509.20

Finding the Fourth Proportional to 30,250,955.70, 45,322,305.30 and 18,398,509.20

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Solution

The fourth proportional to 30,250,955.70, 45,322,305.30 and 18,398,509.20 is: 27,564,843.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,250,955.70 : 45,322,305.30 = 18,398,509.20 : x
  2. Step 2: Convert to fraction form
    30,250,955.70/45,322,305.30 = 18,398,509.20/x
  3. Step 3: Cross multiply
    30,250,955.70x = 45,322,305.30 × 18,398,509.20
  4. Step 4: Simplify right side
    30,250,955.70x = 833,862,851,027,258.62
  5. Step 5: Solve for x
    x = 833,862,851,027,258.62/30,250,955.70
  6. Step 6: Final answer
    x = 27,564,843.22

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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.