Home / 26,608,528.80-39,912,793.20-21,227,688.68

Finding the Fourth Proportional to 26,608,528.80, 39,912,793.20 and 21,227,688.68

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Solution

The fourth proportional to 26,608,528.80, 39,912,793.20 and 21,227,688.68 is: 31,841,533.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,608,528.80 : 39,912,793.20 = 21,227,688.68 : x
  2. Step 2: Convert to fraction form
    26,608,528.80/39,912,793.20 = 21,227,688.68/x
  3. Step 3: Cross multiply
    26,608,528.80x = 39,912,793.20 × 21,227,688.68
  4. Step 4: Simplify right side
    26,608,528.80x = 847,256,348,199,257.12
  5. Step 5: Solve for x
    x = 847,256,348,199,257.12/26,608,528.80
  6. Step 6: Final answer
    x = 31,841,533.01

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Double scale
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Similar ratio
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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.