Home / 13,366,601.80-20,049,902.70-7,704,291.40

Finding the Fourth Proportional to 13,366,601.80, 20,049,902.70 and 7,704,291.40

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Solution

The fourth proportional to 13,366,601.80, 20,049,902.70 and 7,704,291.40 is: 11,556,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366,601.80 : 20,049,902.70 = 7,704,291.40 : x
  2. Step 2: Convert to fraction form
    13,366,601.80/20,049,902.70 = 7,704,291.40/x
  3. Step 3: Cross multiply
    13,366,601.80x = 20,049,902.70 × 7,704,291.40
  4. Step 4: Simplify right side
    13,366,601.80x = 154,470,292,942,446.78
  5. Step 5: Solve for x
    x = 154,470,292,942,446.78/13,366,601.80
  6. Step 6: Final answer
    x = 11,556,437.10

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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.