Home / 31,328,090.80-46,992,136.20-17,866,279.60

Finding the Fourth Proportional to 31,328,090.80, 46,992,136.20 and 17,866,279.60

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Solution

The fourth proportional to 31,328,090.80, 46,992,136.20 and 17,866,279.60 is: 26,799,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,328,090.80 : 46,992,136.20 = 17,866,279.60 : x
  2. Step 2: Convert to fraction form
    31,328,090.80/46,992,136.20 = 17,866,279.60/x
  3. Step 3: Cross multiply
    31,328,090.80x = 46,992,136.20 × 17,866,279.60
  4. Step 4: Simplify right side
    31,328,090.80x = 839,574,644,350,481.62
  5. Step 5: Solve for x
    x = 839,574,644,350,481.62/31,328,090.80
  6. Step 6: Final answer
    x = 26,799,419.40

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1.5x scale

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.