Home / 13,048,487.17-18,006,414.31-7,247,640.98

Finding the Fourth Proportional to 13,048,487.17, 18,006,414.31 and 7,247,640.98

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Solution

The fourth proportional to 13,048,487.17, 18,006,414.31 and 7,247,640.98 is: 10,001,467.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048,487.17 : 18,006,414.31 = 7,247,640.98 : x
  2. Step 2: Convert to fraction form
    13,048,487.17/18,006,414.31 = 7,247,640.98/x
  3. Step 3: Cross multiply
    13,048,487.17x = 18,006,414.31 × 7,247,640.98
  4. Step 4: Simplify right side
    13,048,487.17x = 130,504,026,310,090.02
  5. Step 5: Solve for x
    x = 130,504,026,310,090.02/13,048,487.17
  6. Step 6: Final answer
    x = 10,001,467.96

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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.