Home / 20,215,110.40-30,322,665.60-19,683,669.40

Finding the Fourth Proportional to 20,215,110.40, 30,322,665.60 and 19,683,669.40

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Solution

The fourth proportional to 20,215,110.40, 30,322,665.60 and 19,683,669.40 is: 29,525,504.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,215,110.40 : 30,322,665.60 = 19,683,669.40 : x
  2. Step 2: Convert to fraction form
    20,215,110.40/30,322,665.60 = 19,683,669.40/x
  3. Step 3: Cross multiply
    20,215,110.40x = 30,322,665.60 × 19,683,669.40
  4. Step 4: Simplify right side
    20,215,110.40x = 596,861,324,997,152.62
  5. Step 5: Solve for x
    x = 596,861,324,997,152.62/20,215,110.40
  6. Step 6: Final answer
    x = 29,525,504.10

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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.