Home / 8,638,336.53-11,920,676.09-4,770,774.45

Finding the Fourth Proportional to 8,638,336.53, 11,920,676.09 and 4,770,774.45

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Solution

The fourth proportional to 8,638,336.53, 11,920,676.09 and 4,770,774.45 is: 6,583,542.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,638,336.53 : 11,920,676.09 = 4,770,774.45 : x
  2. Step 2: Convert to fraction form
    8,638,336.53/11,920,676.09 = 4,770,774.45/x
  3. Step 3: Cross multiply
    8,638,336.53x = 11,920,676.09 × 4,770,774.45
  4. Step 4: Simplify right side
    8,638,336.53x = 56,870,856,893,044.03
  5. Step 5: Solve for x
    x = 56,870,856,893,044.03/8,638,336.53
  6. Step 6: Final answer
    x = 6,583,542.64

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1.5x scale

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.