Home / 7,372,428.89-11,058,633.81-1,981,079.42

Finding the Fourth Proportional to 7,372,428.89, 11,058,633.81 and 1,981,079.42

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Solution

The fourth proportional to 7,372,428.89, 11,058,633.81 and 1,981,079.42 is: 2,971,616.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372,428.89 : 11,058,633.81 = 1,981,079.42 : x
  2. Step 2: Convert to fraction form
    7,372,428.89/11,058,633.81 = 1,981,079.42/x
  3. Step 3: Cross multiply
    7,372,428.89x = 11,058,633.81 × 1,981,079.42
  4. Step 4: Simplify right side
    7,372,428.89x = 21,908,031,799,014.02
  5. Step 5: Solve for x
    x = 21,908,031,799,014.02/7,372,428.89
  6. Step 6: Final answer
    x = 2,971,616.57

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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.