Home / 13,362,900.21-20,051,932.20-7,214,799.42

Finding the Fourth Proportional to 13,362,900.21, 20,051,932.20 and 7,214,799.42

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Solution

The fourth proportional to 13,362,900.21, 20,051,932.20 and 7,214,799.42 is: 10,826,292.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362,900.21 : 20,051,932.20 = 7,214,799.42 : x
  2. Step 2: Convert to fraction form
    13,362,900.21/20,051,932.20 = 7,214,799.42/x
  3. Step 3: Cross multiply
    13,362,900.21x = 20,051,932.20 × 7,214,799.42
  4. Step 4: Simplify right side
    13,362,900.21x = 144,670,668,806,439.31
  5. Step 5: Solve for x
    x = 144,670,668,806,439.31/13,362,900.21
  6. Step 6: Final answer
    x = 10,826,292.69

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1.5x scale

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.