Home / 7,668,077.12-10,581,945.78-4,230,318.15

Finding the Fourth Proportional to 7,668,077.12, 10,581,945.78 and 4,230,318.15

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Solution

The fourth proportional to 7,668,077.12, 10,581,945.78 and 4,230,318.15 is: 5,837,838.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668,077.12 : 10,581,945.78 = 4,230,318.15 : x
  2. Step 2: Convert to fraction form
    7,668,077.12/10,581,945.78 = 4,230,318.15/x
  3. Step 3: Cross multiply
    7,668,077.12x = 10,581,945.78 × 4,230,318.15
  4. Step 4: Simplify right side
    7,668,077.12x = 44,764,997,295,449.91
  5. Step 5: Solve for x
    x = 44,764,997,295,449.91/7,668,077.12
  6. Step 6: Final answer
    x = 5,837,838.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.