Home / 16,969,990.32-25,457,376.20-5,451,595.12

Finding the Fourth Proportional to 16,969,990.32, 25,457,376.20 and 5,451,595.12

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Solution

The fourth proportional to 16,969,990.32, 25,457,376.20 and 5,451,595.12 is: 8,178,160.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,969,990.32 : 25,457,376.20 = 5,451,595.12 : x
  2. Step 2: Convert to fraction form
    16,969,990.32/25,457,376.20 = 5,451,595.12/x
  3. Step 3: Cross multiply
    16,969,990.32x = 25,457,376.20 × 5,451,595.12
  4. Step 4: Simplify right side
    16,969,990.32x = 138,783,307,859,924.14
  5. Step 5: Solve for x
    x = 138,783,307,859,924.14/16,969,990.32
  6. Step 6: Final answer
    x = 8,178,160.70

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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.