Home / 15,480,755.20-23,199,080.28-11,405,191.60

Finding the Fourth Proportional to 15,480,755.20, 23,199,080.28 and 11,405,191.60

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Solution

The fourth proportional to 15,480,755.20, 23,199,080.28 and 11,405,191.60 is: 17,091,540.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,480,755.20 : 23,199,080.28 = 11,405,191.60 : x
  2. Step 2: Convert to fraction form
    15,480,755.20/23,199,080.28 = 11,405,191.60/x
  3. Step 3: Cross multiply
    15,480,755.20x = 23,199,080.28 × 11,405,191.60
  4. Step 4: Simplify right side
    15,480,755.20x = 264,589,955,537,181.66
  5. Step 5: Solve for x
    x = 264,589,955,537,181.66/15,480,755.20
  6. Step 6: Final answer
    x = 17,091,540.57

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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.