Home / 16,990,878.80-25,444,327.80-11,280,184.40

Finding the Fourth Proportional to 16,990,878.80, 25,444,327.80 and 11,280,184.40

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Solution

The fourth proportional to 16,990,878.80, 25,444,327.80 and 11,280,184.40 is: 16,892,399.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,990,878.80 : 25,444,327.80 = 11,280,184.40 : x
  2. Step 2: Convert to fraction form
    16,990,878.80/25,444,327.80 = 11,280,184.40/x
  3. Step 3: Cross multiply
    16,990,878.80x = 25,444,327.80 × 11,280,184.40
  4. Step 4: Simplify right side
    16,990,878.80x = 287,016,709,518,046.31
  5. Step 5: Solve for x
    x = 287,016,709,518,046.31/16,990,878.80
  6. Step 6: Final answer
    x = 16,892,399.32

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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.