Home / 26,589,801.60-39,884,702.40-8,638,905.60

Finding the Fourth Proportional to 26,589,801.60, 39,884,702.40 and 8,638,905.60

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Solution

The fourth proportional to 26,589,801.60, 39,884,702.40 and 8,638,905.60 is: 12,958,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,589,801.60 : 39,884,702.40 = 8,638,905.60 : x
  2. Step 2: Convert to fraction form
    26,589,801.60/39,884,702.40 = 8,638,905.60/x
  3. Step 3: Cross multiply
    26,589,801.60x = 39,884,702.40 × 8,638,905.60
  4. Step 4: Simplify right side
    26,589,801.60x = 344,560,178,917,693.44
  5. Step 5: Solve for x
    x = 344,560,178,917,693.44/26,589,801.60
  6. Step 6: Final answer
    x = 12,958,358.40

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1.5x scale

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.