Home / 12,588,079.78-17,371,524.60-7,081,458.49

Finding the Fourth Proportional to 12,588,079.78, 17,371,524.60 and 7,081,458.49

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Solution

The fourth proportional to 12,588,079.78, 17,371,524.60 and 7,081,458.49 is: 9,772,398.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588,079.78 : 17,371,524.60 = 7,081,458.49 : x
  2. Step 2: Convert to fraction form
    12,588,079.78/17,371,524.60 = 7,081,458.49/x
  3. Step 3: Cross multiply
    12,588,079.78x = 17,371,524.60 × 7,081,458.49
  4. Step 4: Simplify right side
    12,588,079.78x = 123,015,730,362,913.88
  5. Step 5: Solve for x
    x = 123,015,730,362,913.88/12,588,079.78
  6. Step 6: Final answer
    x = 9,772,398.37

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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.