Home / 18,279,998.15-25,211,688.30-16,070,136.10

Finding the Fourth Proportional to 18,279,998.15, 25,211,688.30 and 16,070,136.10

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Solution

The fourth proportional to 18,279,998.15, 25,211,688.30 and 16,070,136.10 is: 22,163,856.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279,998.15 : 25,211,688.30 = 16,070,136.10 : x
  2. Step 2: Convert to fraction form
    18,279,998.15/25,211,688.30 = 16,070,136.10/x
  3. Step 3: Cross multiply
    18,279,998.15x = 25,211,688.30 × 16,070,136.10
  4. Step 4: Simplify right side
    18,279,998.15x = 405,155,262,228,748.44
  5. Step 5: Solve for x
    x = 405,155,262,228,748.44/18,279,998.15
  6. Step 6: Final answer
    x = 22,163,856.86

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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.