Home / 12,841,541.72-17,720,857.02-7,040,196.44

Finding the Fourth Proportional to 12,841,541.72, 17,720,857.02 and 7,040,196.44

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Solution

The fourth proportional to 12,841,541.72, 17,720,857.02 and 7,040,196.44 is: 9,715,213.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,841,541.72 : 17,720,857.02 = 7,040,196.44 : x
  2. Step 2: Convert to fraction form
    12,841,541.72/17,720,857.02 = 7,040,196.44/x
  3. Step 3: Cross multiply
    12,841,541.72x = 17,720,857.02 × 7,040,196.44
  4. Step 4: Simplify right side
    12,841,541.72x = 124,758,314,505,953.02
  5. Step 5: Solve for x
    x = 124,758,314,505,953.02/12,841,541.72
  6. Step 6: Final answer
    x = 9,715,213.11

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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.