Home / 10,486,709.58-15,730,065.51-3,200,207.54

Finding the Fourth Proportional to 10,486,709.58, 15,730,065.51 and 3,200,207.54

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Solution

The fourth proportional to 10,486,709.58, 15,730,065.51 and 3,200,207.54 is: 4,800,311.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,486,709.58 : 15,730,065.51 = 3,200,207.54 : x
  2. Step 2: Convert to fraction form
    10,486,709.58/15,730,065.51 = 3,200,207.54/x
  3. Step 3: Cross multiply
    10,486,709.58x = 15,730,065.51 × 3,200,207.54
  4. Step 4: Simplify right side
    10,486,709.58x = 50,339,474,171,145.62
  5. Step 5: Solve for x
    x = 50,339,474,171,145.62/10,486,709.58
  6. Step 6: Final answer
    x = 4,800,311.65

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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.