Home / 15,367,409.22-21,207,328.83-8,398,518.33

Finding the Fourth Proportional to 15,367,409.22, 21,207,328.83 and 8,398,518.33

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Solution

The fourth proportional to 15,367,409.22, 21,207,328.83 and 8,398,518.33 is: 11,590,121.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,367,409.22 : 21,207,328.83 = 8,398,518.33 : x
  2. Step 2: Convert to fraction form
    15,367,409.22/21,207,328.83 = 8,398,518.33/x
  3. Step 3: Cross multiply
    15,367,409.22x = 21,207,328.83 × 8,398,518.33
  4. Step 4: Simplify right side
    15,367,409.22x = 178,110,139,909,092.44
  5. Step 5: Solve for x
    x = 178,110,139,909,092.44/15,367,409.22
  6. Step 6: Final answer
    x = 11,590,121.49

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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.