Home / 13,520,380.46-20,280,595.98-3,285,248.86

Finding the Fourth Proportional to 13,520,380.46, 20,280,595.98 and 3,285,248.86

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Solution

The fourth proportional to 13,520,380.46, 20,280,595.98 and 3,285,248.86 is: 4,927,879.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,520,380.46 : 20,280,595.98 = 3,285,248.86 : x
  2. Step 2: Convert to fraction form
    13,520,380.46/20,280,595.98 = 3,285,248.86/x
  3. Step 3: Cross multiply
    13,520,380.46x = 20,280,595.98 × 3,285,248.86
  4. Step 4: Simplify right side
    13,520,380.46x = 66,626,804,823,415.58
  5. Step 5: Solve for x
    x = 66,626,804,823,415.58/13,520,380.46
  6. Step 6: Final answer
    x = 4,927,879.44

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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.