Home / 18,670,321.64-27,952,669.46-9,896,608.68

Finding the Fourth Proportional to 18,670,321.64, 27,952,669.46 and 9,896,608.68

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Solution

The fourth proportional to 18,670,321.64, 27,952,669.46 and 9,896,608.68 is: 14,816,918.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,670,321.64 : 27,952,669.46 = 9,896,608.68 : x
  2. Step 2: Convert to fraction form
    18,670,321.64/27,952,669.46 = 9,896,608.68/x
  3. Step 3: Cross multiply
    18,670,321.64x = 27,952,669.46 × 9,896,608.68
  4. Step 4: Simplify right side
    18,670,321.64x = 276,636,631,207,006.91
  5. Step 5: Solve for x
    x = 276,636,631,207,006.91/18,670,321.64
  6. Step 6: Final answer
    x = 14,816,918.34

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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.