Home / 20,153,925.80-30,230,888.70-8,195,244.20

Finding the Fourth Proportional to 20,153,925.80, 30,230,888.70 and 8,195,244.20

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Solution

The fourth proportional to 20,153,925.80, 30,230,888.70 and 8,195,244.20 is: 12,292,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,153,925.80 : 30,230,888.70 = 8,195,244.20 : x
  2. Step 2: Convert to fraction form
    20,153,925.80/30,230,888.70 = 8,195,244.20/x
  3. Step 3: Cross multiply
    20,153,925.80x = 30,230,888.70 × 8,195,244.20
  4. Step 4: Simplify right side
    20,153,925.80x = 247,749,515,279,520.53
  5. Step 5: Solve for x
    x = 247,749,515,279,520.53/20,153,925.80
  6. Step 6: Final answer
    x = 12,292,866.30

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1.5x scale

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.