Home / 18,857,630.92-25,998,710.10-12,319,900.60

Finding the Fourth Proportional to 18,857,630.92, 25,998,710.10 and 12,319,900.60

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Solution

The fourth proportional to 18,857,630.92, 25,998,710.10 and 12,319,900.60 is: 16,985,247.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,857,630.92 : 25,998,710.10 = 12,319,900.60 : x
  2. Step 2: Convert to fraction form
    18,857,630.92/25,998,710.10 = 12,319,900.60/x
  3. Step 3: Cross multiply
    18,857,630.92x = 25,998,710.10 × 12,319,900.60
  4. Step 4: Simplify right side
    18,857,630.92x = 320,301,524,160,216.06
  5. Step 5: Solve for x
    x = 320,301,524,160,216.06/18,857,630.92
  6. Step 6: Final answer
    x = 16,985,247.27

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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.