Home / 21,020,694.12-29,008,517.46-11,727,711.24

Finding the Fourth Proportional to 21,020,694.12, 29,008,517.46 and 11,727,711.24

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Solution

The fourth proportional to 21,020,694.12, 29,008,517.46 and 11,727,711.24 is: 16,184,218.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,020,694.12 : 29,008,517.46 = 11,727,711.24 : x
  2. Step 2: Convert to fraction form
    21,020,694.12/29,008,517.46 = 11,727,711.24/x
  3. Step 3: Cross multiply
    21,020,694.12x = 29,008,517.46 × 11,727,711.24
  4. Step 4: Simplify right side
    21,020,694.12x = 340,203,516,271,378.25
  5. Step 5: Solve for x
    x = 340,203,516,271,378.25/21,020,694.12
  6. Step 6: Final answer
    x = 16,184,218.96

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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.