Home / 21,071,922.27-31,610,896.88-6,500,072.49

Finding the Fourth Proportional to 21,071,922.27, 31,610,896.88 and 6,500,072.49

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Solution

The fourth proportional to 21,071,922.27, 31,610,896.88 and 6,500,072.49 is: 9,751,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,071,922.27 : 31,610,896.88 = 6,500,072.49 : x
  2. Step 2: Convert to fraction form
    21,071,922.27/31,610,896.88 = 6,500,072.49/x
  3. Step 3: Cross multiply
    21,071,922.27x = 31,610,896.88 × 6,500,072.49
  4. Step 4: Simplify right side
    21,071,922.27x = 205,473,121,161,414.47
  5. Step 5: Solve for x
    x = 205,473,121,161,414.47/21,071,922.27
  6. Step 6: Final answer
    x = 9,751,038.30

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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.