Home / 18,198,688.80-27,298,033.20-16,813,005.60

Finding the Fourth Proportional to 18,198,688.80, 27,298,033.20 and 16,813,005.60

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Solution

The fourth proportional to 18,198,688.80, 27,298,033.20 and 16,813,005.60 is: 25,219,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198,688.80 : 27,298,033.20 = 16,813,005.60 : x
  2. Step 2: Convert to fraction form
    18,198,688.80/27,298,033.20 = 16,813,005.60/x
  3. Step 3: Cross multiply
    18,198,688.80x = 27,298,033.20 × 16,813,005.60
  4. Step 4: Simplify right side
    18,198,688.80x = 458,961,985,060,585.94
  5. Step 5: Solve for x
    x = 458,961,985,060,585.94/18,198,688.80
  6. Step 6: Final answer
    x = 25,219,508.40

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1.5x scale

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.