Home / 13,753,737.86-18,979,384.78-8,244,355.60

Finding the Fourth Proportional to 13,753,737.86, 18,979,384.78 and 8,244,355.60

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Solution

The fourth proportional to 13,753,737.86, 18,979,384.78 and 8,244,355.60 is: 11,376,747.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753,737.86 : 18,979,384.78 = 8,244,355.60 : x
  2. Step 2: Convert to fraction form
    13,753,737.86/18,979,384.78 = 8,244,355.60/x
  3. Step 3: Cross multiply
    13,753,737.86x = 18,979,384.78 × 8,244,355.60
  4. Step 4: Simplify right side
    13,753,737.86x = 156,472,797,195,547.78
  5. Step 5: Solve for x
    x = 156,472,797,195,547.78/13,753,737.86
  6. Step 6: Final answer
    x = 11,376,747.09

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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.