Home / 40,721,189.84-61,081,796.94-11,967,325.46

Finding the Fourth Proportional to 40,721,189.84, 61,081,796.94 and 11,967,325.46

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Solution

The fourth proportional to 40,721,189.84, 61,081,796.94 and 11,967,325.46 is: 17,950,991.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,721,189.84 : 61,081,796.94 = 11,967,325.46 : x
  2. Step 2: Convert to fraction form
    40,721,189.84/61,081,796.94 = 11,967,325.46/x
  3. Step 3: Cross multiply
    40,721,189.84x = 61,081,796.94 × 11,967,325.46
  4. Step 4: Simplify right side
    40,721,189.84x = 730,985,743,662,612.12
  5. Step 5: Solve for x
    x = 730,985,743,662,612.12/40,721,189.84
  6. Step 6: Final answer
    x = 17,950,991.77

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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.