Home / 13,530,561.70-20,298,827.76-3,946,690.30

Finding the Fourth Proportional to 13,530,561.70, 20,298,827.76 and 3,946,690.30

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Solution

The fourth proportional to 13,530,561.70, 20,298,827.76 and 3,946,690.30 is: 5,920,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,530,561.70 : 20,298,827.76 = 3,946,690.30 : x
  2. Step 2: Convert to fraction form
    13,530,561.70/20,298,827.76 = 3,946,690.30/x
  3. Step 3: Cross multiply
    13,530,561.70x = 20,298,827.76 × 3,946,690.30
  4. Step 4: Simplify right side
    13,530,561.70x = 80,113,186,621,762.73
  5. Step 5: Solve for x
    x = 80,113,186,621,762.73/13,530,561.70
  6. Step 6: Final answer
    x = 5,920,906.20

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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.