Home / 7,143,350.91-9,858,007.64-3,880,352.37

Finding the Fourth Proportional to 7,143,350.91, 9,858,007.64 and 3,880,352.37

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Solution

The fourth proportional to 7,143,350.91, 9,858,007.64 and 3,880,352.37 is: 5,354,985.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,143,350.91 : 9,858,007.64 = 3,880,352.37 : x
  2. Step 2: Convert to fraction form
    7,143,350.91/9,858,007.64 = 3,880,352.37/x
  3. Step 3: Cross multiply
    7,143,350.91x = 9,858,007.64 × 3,880,352.37
  4. Step 4: Simplify right side
    7,143,350.91x = 38,252,543,309,352.11
  5. Step 5: Solve for x
    x = 38,252,543,309,352.11/7,143,350.91
  6. Step 6: Final answer
    x = 5,354,985.89

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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.