Home / 18,084,916.98-27,128,261.16-7,300,871.91

Finding the Fourth Proportional to 18,084,916.98, 27,128,261.16 and 7,300,871.91

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Solution

The fourth proportional to 18,084,916.98, 27,128,261.16 and 7,300,871.91 is: 10,951,665.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,084,916.98 : 27,128,261.16 = 7,300,871.91 : x
  2. Step 2: Convert to fraction form
    18,084,916.98/27,128,261.16 = 7,300,871.91/x
  3. Step 3: Cross multiply
    18,084,916.98x = 27,128,261.16 × 7,300,871.91
  4. Step 4: Simplify right side
    18,084,916.98x = 198,059,959,870,188.03
  5. Step 5: Solve for x
    x = 198,059,959,870,188.03/18,084,916.98
  6. Step 6: Final answer
    x = 10,951,665.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.