Home / 10,361,286.80-15,535,709.40-5,322,438.80

Finding the Fourth Proportional to 10,361,286.80, 15,535,709.40 and 5,322,438.80

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Solution

The fourth proportional to 10,361,286.80, 15,535,709.40 and 5,322,438.80 is: 7,980,462.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361,286.80 : 15,535,709.40 = 5,322,438.80 : x
  2. Step 2: Convert to fraction form
    10,361,286.80/15,535,709.40 = 5,322,438.80/x
  3. Step 3: Cross multiply
    10,361,286.80x = 15,535,709.40 × 5,322,438.80
  4. Step 4: Simplify right side
    10,361,286.80x = 82,687,862,496,084.72
  5. Step 5: Solve for x
    x = 82,687,862,496,084.72/10,361,286.80
  6. Step 6: Final answer
    x = 7,980,462.67

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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.