Home / 7,143,450.32-9,857,953.94-3,880,267.64

Finding the Fourth Proportional to 7,143,450.32, 9,857,953.94 and 3,880,267.64

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Solution

The fourth proportional to 7,143,450.32, 9,857,953.94 and 3,880,267.64 is: 5,354,765.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,143,450.32 : 9,857,953.94 = 3,880,267.64 : x
  2. Step 2: Convert to fraction form
    7,143,450.32/9,857,953.94 = 3,880,267.64/x
  3. Step 3: Cross multiply
    7,143,450.32x = 9,857,953.94 × 3,880,267.64
  4. Step 4: Simplify right side
    7,143,450.32x = 38,251,499,650,591.16
  5. Step 5: Solve for x
    x = 38,251,499,650,591.16/7,143,450.32
  6. Step 6: Final answer
    x = 5,354,765.27

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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.