Home / 21,145,002.56-29,194,142.88-16,241,456.96

Finding the Fourth Proportional to 21,145,002.56, 29,194,142.88 and 16,241,456.96

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Solution

The fourth proportional to 21,145,002.56, 29,194,142.88 and 16,241,456.96 is: 22,423,994.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,145,002.56 : 29,194,142.88 = 16,241,456.96 : x
  2. Step 2: Convert to fraction form
    21,145,002.56/29,194,142.88 = 16,241,456.96/x
  3. Step 3: Cross multiply
    21,145,002.56x = 29,194,142.88 × 16,241,456.96
  4. Step 4: Simplify right side
    21,145,002.56x = 474,155,415,069,610.44
  5. Step 5: Solve for x
    x = 474,155,415,069,610.44/21,145,002.56
  6. Step 6: Final answer
    x = 22,423,994.21

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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.