Home / 15,247,918.29-21,042,127.35-8,372,400.35

Finding the Fourth Proportional to 15,247,918.29, 21,042,127.35 and 8,372,400.35

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Solution

The fourth proportional to 15,247,918.29, 21,042,127.35 and 8,372,400.35 is: 11,553,912.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247,918.29 : 21,042,127.35 = 8,372,400.35 : x
  2. Step 2: Convert to fraction form
    15,247,918.29/21,042,127.35 = 8,372,400.35/x
  3. Step 3: Cross multiply
    15,247,918.29x = 21,042,127.35 × 8,372,400.35
  4. Step 4: Simplify right side
    15,247,918.29x = 176,173,114,389,884.56
  5. Step 5: Solve for x
    x = 176,173,114,389,884.56/15,247,918.29
  6. Step 6: Final answer
    x = 11,553,912.54

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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.