Home / 20,199,813.30-30,303,656.55-8,685,258.30

Finding the Fourth Proportional to 20,199,813.30, 30,303,656.55 and 8,685,258.30

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Solution

The fourth proportional to 20,199,813.30, 30,303,656.55 and 8,685,258.30 is: 13,029,580.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199,813.30 : 30,303,656.55 = 8,685,258.30 : x
  2. Step 2: Convert to fraction form
    20,199,813.30/30,303,656.55 = 8,685,258.30/x
  3. Step 3: Cross multiply
    20,199,813.30x = 30,303,656.55 × 8,685,258.30
  4. Step 4: Simplify right side
    20,199,813.30x = 263,195,084,571,236.91
  5. Step 5: Solve for x
    x = 263,195,084,571,236.91/20,199,813.30
  6. Step 6: Final answer
    x = 13,029,580.06

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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.