Home / 30,121,290.80-41,567,703.24-16,370,255.60

Finding the Fourth Proportional to 30,121,290.80, 41,567,703.24 and 16,370,255.60

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Solution

The fourth proportional to 30,121,290.80, 41,567,703.24 and 16,370,255.60 is: 22,591,127.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,121,290.80 : 41,567,703.24 = 16,370,255.60 : x
  2. Step 2: Convert to fraction form
    30,121,290.80/41,567,703.24 = 16,370,255.60/x
  3. Step 3: Cross multiply
    30,121,290.80x = 41,567,703.24 × 16,370,255.60
  4. Step 4: Simplify right side
    30,121,290.80x = 680,473,926,743,748.12
  5. Step 5: Solve for x
    x = 680,473,926,743,748.12/30,121,290.80
  6. Step 6: Final answer
    x = 22,591,127.69

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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.