Home / 13,286,404.80-19,929,607.20-3,189,025.80

Finding the Fourth Proportional to 13,286,404.80, 19,929,607.20 and 3,189,025.80

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Solution

The fourth proportional to 13,286,404.80, 19,929,607.20 and 3,189,025.80 is: 4,783,538.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,404.80 : 19,929,607.20 = 3,189,025.80 : x
  2. Step 2: Convert to fraction form
    13,286,404.80/19,929,607.20 = 3,189,025.80/x
  3. Step 3: Cross multiply
    13,286,404.80x = 19,929,607.20 × 3,189,025.80
  4. Step 4: Simplify right side
    13,286,404.80x = 63,556,031,544,665.76
  5. Step 5: Solve for x
    x = 63,556,031,544,665.76/13,286,404.80
  6. Step 6: Final answer
    x = 4,783,538.70

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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.