Home / 11,615,638.72-16,028,923.02-6,458,889.55

Finding the Fourth Proportional to 11,615,638.72, 16,028,923.02 and 6,458,889.55

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Solution

The fourth proportional to 11,615,638.72, 16,028,923.02 and 6,458,889.55 is: 8,912,901.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615,638.72 : 16,028,923.02 = 6,458,889.55 : x
  2. Step 2: Convert to fraction form
    11,615,638.72/16,028,923.02 = 6,458,889.55/x
  3. Step 3: Cross multiply
    11,615,638.72x = 16,028,923.02 × 6,458,889.55
  4. Step 4: Simplify right side
    11,615,638.72x = 103,529,043,391,632.44
  5. Step 5: Solve for x
    x = 103,529,043,391,632.44/11,615,638.72
  6. Step 6: Final answer
    x = 8,912,901.47

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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.