Home / 11,687,513.34-16,128,458.91-6,530,917.26

Finding the Fourth Proportional to 11,687,513.34, 16,128,458.91 and 6,530,917.26

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Solution

The fourth proportional to 11,687,513.34, 16,128,458.91 and 6,530,917.26 is: 9,012,492.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,687,513.34 : 16,128,458.91 = 6,530,917.26 : x
  2. Step 2: Convert to fraction form
    11,687,513.34/16,128,458.91 = 6,530,917.26/x
  3. Step 3: Cross multiply
    11,687,513.34x = 16,128,458.91 × 6,530,917.26
  4. Step 4: Simplify right side
    11,687,513.34x = 105,333,630,672,519.78
  5. Step 5: Solve for x
    x = 105,333,630,672,519.78/11,687,513.34
  6. Step 6: Final answer
    x = 9,012,492.87

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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.