Home / 11,867,139.72-16,376,974.80-6,711,272.28

Finding the Fourth Proportional to 11,867,139.72, 16,376,974.80 and 6,711,272.28

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Solution

The fourth proportional to 11,867,139.72, 16,376,974.80 and 6,711,272.28 is: 9,261,737.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,867,139.72 : 16,376,974.80 = 6,711,272.28 : x
  2. Step 2: Convert to fraction form
    11,867,139.72/16,376,974.80 = 6,711,272.28/x
  3. Step 3: Cross multiply
    11,867,139.72x = 16,376,974.80 × 6,711,272.28
  4. Step 4: Simplify right side
    11,867,139.72x = 109,910,337,005,498.55
  5. Step 5: Solve for x
    x = 109,910,337,005,498.55/11,867,139.72
  6. Step 6: Final answer
    x = 9,261,737.84

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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.