Home / 13,520,381.15-20,280,571.74-3,285,188.35

Finding the Fourth Proportional to 13,520,381.15, 20,280,571.74 and 3,285,188.35

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Solution

The fourth proportional to 13,520,381.15, 20,280,571.74 and 3,285,188.35 is: 4,927,782.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,520,381.15 : 20,280,571.74 = 3,285,188.35 : x
  2. Step 2: Convert to fraction form
    13,520,381.15/20,280,571.74 = 3,285,188.35/x
  3. Step 3: Cross multiply
    13,520,381.15x = 20,280,571.74 × 3,285,188.35
  4. Step 4: Simplify right side
    13,520,381.15x = 66,625,498,011,587.23
  5. Step 5: Solve for x
    x = 66,625,498,011,587.23/13,520,381.15
  6. Step 6: Final answer
    x = 4,927,782.53

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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.