Home / 11,556,975.36-15,940,946.64-7,432,221.38

Finding the Fourth Proportional to 11,556,975.36, 15,940,946.64 and 7,432,221.38

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Solution

The fourth proportional to 11,556,975.36, 15,940,946.64 and 7,432,221.38 is: 10,251,526.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,556,975.36 : 15,940,946.64 = 7,432,221.38 : x
  2. Step 2: Convert to fraction form
    11,556,975.36/15,940,946.64 = 7,432,221.38/x
  3. Step 3: Cross multiply
    11,556,975.36x = 15,940,946.64 × 7,432,221.38
  4. Step 4: Simplify right side
    11,556,975.36x = 118,476,644,435,247.17
  5. Step 5: Solve for x
    x = 118,476,644,435,247.17/11,556,975.36
  6. Step 6: Final answer
    x = 10,251,526.96

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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.