Home / 30,150,775.14-45,220,393.89-11,706,720.54

Finding the Fourth Proportional to 30,150,775.14, 45,220,393.89 and 11,706,720.54

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Solution

The fourth proportional to 30,150,775.14, 45,220,393.89 and 11,706,720.54 is: 17,557,840.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,150,775.14 : 45,220,393.89 = 11,706,720.54 : x
  2. Step 2: Convert to fraction form
    30,150,775.14/45,220,393.89 = 11,706,720.54/x
  3. Step 3: Cross multiply
    30,150,775.14x = 45,220,393.89 × 11,706,720.54
  4. Step 4: Simplify right side
    30,150,775.14x = 529,382,513,978,953.44
  5. Step 5: Solve for x
    x = 529,382,513,978,953.44/30,150,775.14
  6. Step 6: Final answer
    x = 17,557,840.94

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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.