Home / 12,486,739.80-18,717,668.10-5,743,392.60

Finding the Fourth Proportional to 12,486,739.80, 18,717,668.10 and 5,743,392.60

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Solution

The fourth proportional to 12,486,739.80, 18,717,668.10 and 5,743,392.60 is: 8,609,366.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,486,739.80 : 18,717,668.10 = 5,743,392.60 : x
  2. Step 2: Convert to fraction form
    12,486,739.80/18,717,668.10 = 5,743,392.60/x
  3. Step 3: Cross multiply
    12,486,739.80x = 18,717,668.10 × 5,743,392.60
  4. Step 4: Simplify right side
    12,486,739.80x = 107,502,916,454,796.06
  5. Step 5: Solve for x
    x = 107,502,916,454,796.06/12,486,739.80
  6. Step 6: Final answer
    x = 8,609,366.27

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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.