Home / 13,494,530.40-20,241,796.32-3,909,915.24

Finding the Fourth Proportional to 13,494,530.40, 20,241,796.32 and 3,909,915.24

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Solution

The fourth proportional to 13,494,530.40, 20,241,796.32 and 3,909,915.24 is: 5,864,873.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494,530.40 : 20,241,796.32 = 3,909,915.24 : x
  2. Step 2: Convert to fraction form
    13,494,530.40/20,241,796.32 = 3,909,915.24/x
  3. Step 3: Cross multiply
    13,494,530.40x = 20,241,796.32 × 3,909,915.24
  4. Step 4: Simplify right side
    13,494,530.40x = 79,143,707,916,543.92
  5. Step 5: Solve for x
    x = 79,143,707,916,543.92/13,494,530.40
  6. Step 6: Final answer
    x = 5,864,873.07

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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.