Home / 30,967,380.70-42,737,708.67-17,031,191.36

Finding the Fourth Proportional to 30,967,380.70, 42,737,708.67 and 17,031,191.36

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Solution

The fourth proportional to 30,967,380.70, 42,737,708.67 and 17,031,191.36 is: 23,504,541.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,967,380.70 : 42,737,708.67 = 17,031,191.36 : x
  2. Step 2: Convert to fraction form
    30,967,380.70/42,737,708.67 = 17,031,191.36/x
  3. Step 3: Cross multiply
    30,967,380.70x = 42,737,708.67 × 17,031,191.36
  4. Step 4: Simplify right side
    30,967,380.70x = 727,874,094,433,012.62
  5. Step 5: Solve for x
    x = 727,874,094,433,012.62/30,967,380.70
  6. Step 6: Final answer
    x = 23,504,541.81

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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.