Home / 30,130,880.22-41,541,586.50-19,515,383.10

Finding the Fourth Proportional to 30,130,880.22, 41,541,586.50 and 19,515,383.10

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Solution

The fourth proportional to 30,130,880.22, 41,541,586.50 and 19,515,383.10 is: 26,905,950.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,130,880.22 : 41,541,586.50 = 19,515,383.10 : x
  2. Step 2: Convert to fraction form
    30,130,880.22/41,541,586.50 = 19,515,383.10/x
  3. Step 3: Cross multiply
    30,130,880.22x = 41,541,586.50 × 19,515,383.10
  4. Step 4: Simplify right side
    30,130,880.22x = 810,699,975,129,288.25
  5. Step 5: Solve for x
    x = 810,699,975,129,288.25/30,130,880.22
  6. Step 6: Final answer
    x = 26,905,950.61

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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.