Home / 13,520,380.15-20,280,570.24-3,285,187.35

Finding the Fourth Proportional to 13,520,380.15, 20,280,570.24 and 3,285,187.35

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Solution

The fourth proportional to 13,520,380.15, 20,280,570.24 and 3,285,187.35 is: 4,927,781.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,520,380.15 : 20,280,570.24 = 3,285,187.35 : x
  2. Step 2: Convert to fraction form
    13,520,380.15/20,280,570.24 = 3,285,187.35/x
  3. Step 3: Cross multiply
    13,520,380.15x = 20,280,570.24 × 3,285,187.35
  4. Step 4: Simplify right side
    13,520,380.15x = 66,625,472,739,501.77
  5. Step 5: Solve for x
    x = 66,625,472,739,501.77/13,520,380.15
  6. Step 6: Final answer
    x = 4,927,781.02

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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.