Home / 8,050,077.87-12,080,715.53-5,203,128.75

Finding the Fourth Proportional to 8,050,077.87, 12,080,715.53 and 5,203,128.75

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Solution

The fourth proportional to 8,050,077.87, 12,080,715.53 and 5,203,128.75 is: 7,808,311.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,050,077.87 : 12,080,715.53 = 5,203,128.75 : x
  2. Step 2: Convert to fraction form
    8,050,077.87/12,080,715.53 = 5,203,128.75/x
  3. Step 3: Cross multiply
    8,050,077.87x = 12,080,715.53 × 5,203,128.75
  4. Step 4: Simplify right side
    8,050,077.87x = 62,857,518,268,698.84
  5. Step 5: Solve for x
    x = 62,857,518,268,698.84/8,050,077.87
  6. Step 6: Final answer
    x = 7,808,311.83

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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.