Home / 26,097,135.60-39,145,703.40-20,722,364.40

Finding the Fourth Proportional to 26,097,135.60, 39,145,703.40 and 20,722,364.40

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Solution

The fourth proportional to 26,097,135.60, 39,145,703.40 and 20,722,364.40 is: 31,083,546.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,097,135.60 : 39,145,703.40 = 20,722,364.40 : x
  2. Step 2: Convert to fraction form
    26,097,135.60/39,145,703.40 = 20,722,364.40/x
  3. Step 3: Cross multiply
    26,097,135.60x = 39,145,703.40 × 20,722,364.40
  4. Step 4: Simplify right side
    26,097,135.60x = 811,191,530,549,118.88
  5. Step 5: Solve for x
    x = 811,191,530,549,118.88/26,097,135.60
  6. Step 6: Final answer
    x = 31,083,546.60

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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.