Home / 11,566,958.70-15,942,478.94-7,692,556.98

Finding the Fourth Proportional to 11,566,958.70, 15,942,478.94 and 7,692,556.98

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Solution

The fourth proportional to 11,566,958.70, 15,942,478.94 and 7,692,556.98 is: 10,602,478.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,566,958.70 : 15,942,478.94 = 7,692,556.98 : x
  2. Step 2: Convert to fraction form
    11,566,958.70/15,942,478.94 = 7,692,556.98/x
  3. Step 3: Cross multiply
    11,566,958.70x = 15,942,478.94 × 7,692,556.98
  4. Step 4: Simplify right side
    11,566,958.70x = 122,638,427,648,400
  5. Step 5: Solve for x
    x = 122,638,427,648,400/11,566,958.70
  6. Step 6: Final answer
    x = 10,602,478.22

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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.