Home / 21,022,783.92-29,011,522.68-11,730,745.80

Finding the Fourth Proportional to 21,022,783.92, 29,011,522.68 and 11,730,745.80

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Solution

The fourth proportional to 21,022,783.92, 29,011,522.68 and 11,730,745.80 is: 16,188,474.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,022,783.92 : 29,011,522.68 = 11,730,745.80 : x
  2. Step 2: Convert to fraction form
    21,022,783.92/29,011,522.68 = 11,730,745.80/x
  3. Step 3: Cross multiply
    21,022,783.92x = 29,011,522.68 × 11,730,745.80
  4. Step 4: Simplify right side
    21,022,783.92x = 340,326,797,830,014.75
  5. Step 5: Solve for x
    x = 340,326,797,830,014.75/21,022,783.92
  6. Step 6: Final answer
    x = 16,188,474.33

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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.