Home / 11,980,149.59-17,978,310.09-4,692,705.42

Finding the Fourth Proportional to 11,980,149.59, 17,978,310.09 and 4,692,705.42

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Solution

The fourth proportional to 11,980,149.59, 17,978,310.09 and 4,692,705.42 is: 7,042,225.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,980,149.59 : 17,978,310.09 = 4,692,705.42 : x
  2. Step 2: Convert to fraction form
    11,980,149.59/17,978,310.09 = 4,692,705.42/x
  3. Step 3: Cross multiply
    11,980,149.59x = 17,978,310.09 × 4,692,705.42
  4. Step 4: Simplify right side
    11,980,149.59x = 84,366,913,201,783.69
  5. Step 5: Solve for x
    x = 84,366,913,201,783.69/11,980,149.59
  6. Step 6: Final answer
    x = 7,042,225.36

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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.