Home / 13,530,495-20,298,727.74-3,946,623.60

Finding the Fourth Proportional to 13,530,495, 20,298,727.74 and 3,946,623.60

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Solution

The fourth proportional to 13,530,495, 20,298,727.74 and 3,946,623.60 is: 5,920,806.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,530,495 : 20,298,727.74 = 3,946,623.60 : x
  2. Step 2: Convert to fraction form
    13,530,495/20,298,727.74 = 3,946,623.60/x
  3. Step 3: Cross multiply
    13,530,495x = 20,298,727.74 × 3,946,623.60
  4. Step 4: Simplify right side
    13,530,495x = 80,111,437,948,658.66
  5. Step 5: Solve for x
    x = 80,111,437,948,658.66/13,530,495
  6. Step 6: Final answer
    x = 5,920,806.15

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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.