Home / 20,847,651.81-31,265,181.77-6,270,701.67

Finding the Fourth Proportional to 20,847,651.81, 31,265,181.77 and 6,270,701.67

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Solution

The fourth proportional to 20,847,651.81, 31,265,181.77 and 6,270,701.67 is: 9,404,158.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,847,651.81 : 31,265,181.77 = 6,270,701.67 : x
  2. Step 2: Convert to fraction form
    20,847,651.81/31,265,181.77 = 6,270,701.67/x
  3. Step 3: Cross multiply
    20,847,651.81x = 31,265,181.77 × 6,270,701.67
  4. Step 4: Simplify right side
    20,847,651.81x = 196,054,627,580,815.78
  5. Step 5: Solve for x
    x = 196,054,627,580,815.78/20,847,651.81
  6. Step 6: Final answer
    x = 9,404,158.77

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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.