Home / 13,595,320.80-20,392,981.20-4,619,872.80

Finding the Fourth Proportional to 13,595,320.80, 20,392,981.20 and 4,619,872.80

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Solution

The fourth proportional to 13,595,320.80, 20,392,981.20 and 4,619,872.80 is: 6,929,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595,320.80 : 20,392,981.20 = 4,619,872.80 : x
  2. Step 2: Convert to fraction form
    13,595,320.80/20,392,981.20 = 4,619,872.80/x
  3. Step 3: Cross multiply
    13,595,320.80x = 20,392,981.20 × 4,619,872.80
  4. Step 4: Simplify right side
    13,595,320.80x = 94,212,979,156,791.36
  5. Step 5: Solve for x
    x = 94,212,979,156,791.36/13,595,320.80
  6. Step 6: Final answer
    x = 6,929,809.20

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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.