Home / 16,899,145.20-25,348,717.80-8,376,188.40

Finding the Fourth Proportional to 16,899,145.20, 25,348,717.80 and 8,376,188.40

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Solution

The fourth proportional to 16,899,145.20, 25,348,717.80 and 8,376,188.40 is: 12,564,282.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,899,145.20 : 25,348,717.80 = 8,376,188.40 : x
  2. Step 2: Convert to fraction form
    16,899,145.20/25,348,717.80 = 8,376,188.40/x
  3. Step 3: Cross multiply
    16,899,145.20x = 25,348,717.80 × 8,376,188.40
  4. Step 4: Simplify right side
    16,899,145.20x = 212,325,635,991,233.53
  5. Step 5: Solve for x
    x = 212,325,635,991,233.53/16,899,145.20
  6. Step 6: Final answer
    x = 12,564,282.60

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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.