Home / 31,718,435.04-43,770,590-18,666,462.80

Finding the Fourth Proportional to 31,718,435.04, 43,770,590 and 18,666,462.80

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Solution

The fourth proportional to 31,718,435.04, 43,770,590 and 18,666,462.80 is: 25,759,218.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,718,435.04 : 43,770,590 = 18,666,462.80 : x
  2. Step 2: Convert to fraction form
    31,718,435.04/43,770,590 = 18,666,462.80/x
  3. Step 3: Cross multiply
    31,718,435.04x = 43,770,590 × 18,666,462.80
  4. Step 4: Simplify right side
    31,718,435.04x = 817,042,089,969,052
  5. Step 5: Solve for x
    x = 817,042,089,969,052/31,718,435.04
  6. Step 6: Final answer
    x = 25,759,218.23

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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.