Home / 25,743,847.40-38,615,771.10-13,608,621.80

Finding the Fourth Proportional to 25,743,847.40, 38,615,771.10 and 13,608,621.80

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Solution

The fourth proportional to 25,743,847.40, 38,615,771.10 and 13,608,621.80 is: 20,412,932.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,743,847.40 : 38,615,771.10 = 13,608,621.80 : x
  2. Step 2: Convert to fraction form
    25,743,847.40/38,615,771.10 = 13,608,621.80/x
  3. Step 3: Cross multiply
    25,743,847.40x = 38,615,771.10 × 13,608,621.80
  4. Step 4: Simplify right side
    25,743,847.40x = 525,507,424,415,270
  5. Step 5: Solve for x
    x = 525,507,424,415,270/25,743,847.40
  6. Step 6: Final answer
    x = 20,412,932.70

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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.