Home / 20,157,529.60-30,236,294.40-19,821,606.40

Finding the Fourth Proportional to 20,157,529.60, 30,236,294.40 and 19,821,606.40

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Solution

The fourth proportional to 20,157,529.60, 30,236,294.40 and 19,821,606.40 is: 29,732,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,157,529.60 : 30,236,294.40 = 19,821,606.40 : x
  2. Step 2: Convert to fraction form
    20,157,529.60/30,236,294.40 = 19,821,606.40/x
  3. Step 3: Cross multiply
    20,157,529.60x = 30,236,294.40 × 19,821,606.40
  4. Step 4: Simplify right side
    20,157,529.60x = 599,331,926,591,324.12
  5. Step 5: Solve for x
    x = 599,331,926,591,324.12/20,157,529.60
  6. Step 6: Final answer
    x = 29,732,409.60

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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.