Home / 21,918,014.72-30,222,108.16-16,393,685.48

Finding the Fourth Proportional to 21,918,014.72, 30,222,108.16 and 16,393,685.48

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Solution

The fourth proportional to 21,918,014.72, 30,222,108.16 and 16,393,685.48 is: 22,604,772.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,918,014.72 : 30,222,108.16 = 16,393,685.48 : x
  2. Step 2: Convert to fraction form
    21,918,014.72/30,222,108.16 = 16,393,685.48/x
  3. Step 3: Cross multiply
    21,918,014.72x = 30,222,108.16 × 16,393,685.48
  4. Step 4: Simplify right side
    21,918,014.72x = 495,451,735,717,581.56
  5. Step 5: Solve for x
    x = 495,451,735,717,581.56/21,918,014.72
  6. Step 6: Final answer
    x = 22,604,772.47

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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.