Home / 20,346,890.30-30,520,335.45-16,520,515.10

Finding the Fourth Proportional to 20,346,890.30, 30,520,335.45 and 16,520,515.10

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Solution

The fourth proportional to 20,346,890.30, 30,520,335.45 and 16,520,515.10 is: 24,780,772.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,346,890.30 : 30,520,335.45 = 16,520,515.10 : x
  2. Step 2: Convert to fraction form
    20,346,890.30/30,520,335.45 = 16,520,515.10/x
  3. Step 3: Cross multiply
    20,346,890.30x = 30,520,335.45 × 16,520,515.10
  4. Step 4: Simplify right side
    20,346,890.30x = 504,211,662,658,790.25
  5. Step 5: Solve for x
    x = 504,211,662,658,790.25/20,346,890.30
  6. Step 6: Final answer
    x = 24,780,772.65

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Double scale
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Similar ratio
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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.