Home / 7,790,687.37-11,739,208.19-6,401,854.89

Finding the Fourth Proportional to 7,790,687.37, 11,739,208.19 and 6,401,854.89

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Solution

The fourth proportional to 7,790,687.37, 11,739,208.19 and 6,401,854.89 is: 9,646,479.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790,687.37 : 11,739,208.19 = 6,401,854.89 : x
  2. Step 2: Convert to fraction form
    7,790,687.37/11,739,208.19 = 6,401,854.89/x
  3. Step 3: Cross multiply
    7,790,687.37x = 11,739,208.19 × 6,401,854.89
  4. Step 4: Simplify right side
    7,790,687.37x = 75,152,707,359,880.70
  5. Step 5: Solve for x
    x = 75,152,707,359,880.70/7,790,687.37
  6. Step 6: Final answer
    x = 9,646,479.67

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.