Home / 5,911,818.21-8,158,305.52-3,195,564.21

Finding the Fourth Proportional to 5,911,818.21, 8,158,305.52 and 3,195,564.21

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Solution

The fourth proportional to 5,911,818.21, 8,158,305.52 and 3,195,564.21 is: 4,409,876.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911,818.21 : 8,158,305.52 = 3,195,564.21 : x
  2. Step 2: Convert to fraction form
    5,911,818.21/8,158,305.52 = 3,195,564.21/x
  3. Step 3: Cross multiply
    5,911,818.21x = 8,158,305.52 × 3,195,564.21
  4. Step 4: Simplify right side
    5,911,818.21x = 26,070,389,137,951.89
  5. Step 5: Solve for x
    x = 26,070,389,137,951.89/5,911,818.21
  6. Step 6: Final answer
    x = 4,409,876.66

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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.