Home / 12,635,835.38-18,953,737.71-4,116,157.94

Finding the Fourth Proportional to 12,635,835.38, 18,953,737.71 and 4,116,157.94

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Solution

The fourth proportional to 12,635,835.38, 18,953,737.71 and 4,116,157.94 is: 6,174,231.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635,835.38 : 18,953,737.71 = 4,116,157.94 : x
  2. Step 2: Convert to fraction form
    12,635,835.38/18,953,737.71 = 4,116,157.94/x
  3. Step 3: Cross multiply
    12,635,835.38x = 18,953,737.71 × 4,116,157.94
  4. Step 4: Simplify right side
    12,635,835.38x = 78,016,577,967,693.92
  5. Step 5: Solve for x
    x = 78,016,577,967,693.92/12,635,835.38
  6. Step 6: Final answer
    x = 6,174,231.91

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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.