Home / 7,812,604.71-11,707,138.37-6,961,201.16

Finding the Fourth Proportional to 7,812,604.71, 11,707,138.37 and 6,961,201.16

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Solution

The fourth proportional to 7,812,604.71, 11,707,138.37 and 6,961,201.16 is: 10,431,315.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,812,604.71 : 11,707,138.37 = 6,961,201.16 : x
  2. Step 2: Convert to fraction form
    7,812,604.71/11,707,138.37 = 6,961,201.16/x
  3. Step 3: Cross multiply
    7,812,604.71x = 11,707,138.37 × 6,961,201.16
  4. Step 4: Simplify right side
    7,812,604.71x = 81,495,745,160,391.83
  5. Step 5: Solve for x
    x = 81,495,745,160,391.83/7,812,604.71
  6. Step 6: Final answer
    x = 10,431,315.57

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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.