Home / 25,325,035.36-34,933,021.60-20,685,562.72

Finding the Fourth Proportional to 25,325,035.36, 34,933,021.60 and 20,685,562.72

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Solution

The fourth proportional to 25,325,035.36, 34,933,021.60 and 20,685,562.72 is: 28,533,393.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,325,035.36 : 34,933,021.60 = 20,685,562.72 : x
  2. Step 2: Convert to fraction form
    25,325,035.36/34,933,021.60 = 20,685,562.72/x
  3. Step 3: Cross multiply
    25,325,035.36x = 34,933,021.60 × 20,685,562.72
  4. Step 4: Simplify right side
    25,325,035.36x = 722,609,209,305,914.75
  5. Step 5: Solve for x
    x = 722,609,209,305,914.75/25,325,035.36
  6. Step 6: Final answer
    x = 28,533,393.89

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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.