Home / 19,274,614.20-28,911,921.30-18,976,015.80

Finding the Fourth Proportional to 19,274,614.20, 28,911,921.30 and 18,976,015.80

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Solution

The fourth proportional to 19,274,614.20, 28,911,921.30 and 18,976,015.80 is: 28,464,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,274,614.20 : 28,911,921.30 = 18,976,015.80 : x
  2. Step 2: Convert to fraction form
    19,274,614.20/28,911,921.30 = 18,976,015.80/x
  3. Step 3: Cross multiply
    19,274,614.20x = 28,911,921.30 × 18,976,015.80
  4. Step 4: Simplify right side
    19,274,614.20x = 548,633,075,397,156.56
  5. Step 5: Solve for x
    x = 548,633,075,397,156.56/19,274,614.20
  6. Step 6: Final answer
    x = 28,464,023.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.