Home / 16,318,181.08-22,517,476.20-9,347,520.40

Finding the Fourth Proportional to 16,318,181.08, 22,517,476.20 and 9,347,520.40

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Solution

The fourth proportional to 16,318,181.08, 22,517,476.20 and 9,347,520.40 is: 12,898,653.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,318,181.08 : 22,517,476.20 = 9,347,520.40 : x
  2. Step 2: Convert to fraction form
    16,318,181.08/22,517,476.20 = 9,347,520.40/x
  3. Step 3: Cross multiply
    16,318,181.08x = 22,517,476.20 × 9,347,520.40
  4. Step 4: Simplify right side
    16,318,181.08x = 210,482,568,136,014.47
  5. Step 5: Solve for x
    x = 210,482,568,136,014.47/16,318,181.08
  6. Step 6: Final answer
    x = 12,898,653.78

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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.