Home / 12,579,559.47-17,359,599.96-7,072,939.44

Finding the Fourth Proportional to 12,579,559.47, 17,359,599.96 and 7,072,939.44

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Solution

The fourth proportional to 12,579,559.47, 17,359,599.96 and 7,072,939.44 is: 9,760,548.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,579,559.47 : 17,359,599.96 = 7,072,939.44 : x
  2. Step 2: Convert to fraction form
    12,579,559.47/17,359,599.96 = 7,072,939.44/x
  3. Step 3: Cross multiply
    12,579,559.47x = 17,359,599.96 × 7,072,939.44
  4. Step 4: Simplify right side
    12,579,559.47x = 122,783,399,219,706.44
  5. Step 5: Solve for x
    x = 122,783,399,219,706.44/12,579,559.47
  6. Step 6: Final answer
    x = 9,760,548.41

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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.