Home / 15,200,803.63-20,978,609.32-8,675,409.36

Finding the Fourth Proportional to 15,200,803.63, 20,978,609.32 and 8,675,409.36

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Solution

The fourth proportional to 15,200,803.63, 20,978,609.32 and 8,675,409.36 is: 11,972,921.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,200,803.63 : 20,978,609.32 = 8,675,409.36 : x
  2. Step 2: Convert to fraction form
    15,200,803.63/20,978,609.32 = 8,675,409.36/x
  3. Step 3: Cross multiply
    15,200,803.63x = 20,978,609.32 × 8,675,409.36
  4. Step 4: Simplify right side
    15,200,803.63x = 181,998,023,654,511.22
  5. Step 5: Solve for x
    x = 181,998,023,654,511.22/15,200,803.63
  6. Step 6: Final answer
    x = 11,972,921.17

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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.