Home / 11,615,636.72-16,028,920.26-6,458,887.55

Finding the Fourth Proportional to 11,615,636.72, 16,028,920.26 and 6,458,887.55

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Solution

The fourth proportional to 11,615,636.72, 16,028,920.26 and 6,458,887.55 is: 8,912,898.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615,636.72 : 16,028,920.26 = 6,458,887.55 : x
  2. Step 2: Convert to fraction form
    11,615,636.72/16,028,920.26 = 6,458,887.55/x
  3. Step 3: Cross multiply
    11,615,636.72x = 16,028,920.26 × 6,458,887.55
  4. Step 4: Simplify right side
    11,615,636.72x = 103,528,993,427,112.16
  5. Step 5: Solve for x
    x = 103,528,993,427,112.16/11,615,636.72
  6. Step 6: Final answer
    x = 8,912,898.70

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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.