Home / 6,518,713.20-9,787,668.43-3,645,708.90

Finding the Fourth Proportional to 6,518,713.20, 9,787,668.43 and 3,645,708.90

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Solution

The fourth proportional to 6,518,713.20, 9,787,668.43 and 3,645,708.90 is: 5,473,931.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518,713.20 : 9,787,668.43 = 3,645,708.90 : x
  2. Step 2: Convert to fraction form
    6,518,713.20/9,787,668.43 = 3,645,708.90/x
  3. Step 3: Cross multiply
    6,518,713.20x = 9,787,668.43 × 3,645,708.90
  4. Step 4: Simplify right side
    6,518,713.20x = 35,682,989,905,500.02
  5. Step 5: Solve for x
    x = 35,682,989,905,500.02/6,518,713.20
  6. Step 6: Final answer
    x = 5,473,931.56

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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.