Home / 18,229,229.55-25,115,960.39-12,023,325.45

Finding the Fourth Proportional to 18,229,229.55, 25,115,960.39 and 12,023,325.45

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Solution

The fourth proportional to 18,229,229.55, 25,115,960.39 and 12,023,325.45 is: 16,565,558.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229,229.55 : 25,115,960.39 = 12,023,325.45 : x
  2. Step 2: Convert to fraction form
    18,229,229.55/25,115,960.39 = 12,023,325.45/x
  3. Step 3: Cross multiply
    18,229,229.55x = 25,115,960.39 × 12,023,325.45
  4. Step 4: Simplify right side
    18,229,229.55x = 301,977,365,698,162.31
  5. Step 5: Solve for x
    x = 301,977,365,698,162.31/18,229,229.55
  6. Step 6: Final answer
    x = 16,565,558.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.