Home / 8,783,372.80-12,121,433.31-4,863,128.92

Finding the Fourth Proportional to 8,783,372.80, 12,121,433.31 and 4,863,128.92

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Solution

The fourth proportional to 8,783,372.80, 12,121,433.31 and 4,863,128.92 is: 6,711,327.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783,372.80 : 12,121,433.31 = 4,863,128.92 : x
  2. Step 2: Convert to fraction form
    8,783,372.80/12,121,433.31 = 4,863,128.92/x
  3. Step 3: Cross multiply
    8,783,372.80x = 12,121,433.31 × 4,863,128.92
  4. Step 4: Simplify right side
    8,783,372.80x = 58,948,092,881,712.33
  5. Step 5: Solve for x
    x = 58,948,092,881,712.33/8,783,372.80
  6. Step 6: Final answer
    x = 6,711,327.67

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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.