Home / 31,484,738-43,434,093.44-18,423,984.88

Finding the Fourth Proportional to 31,484,738, 43,434,093.44 and 18,423,984.88

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Solution

The fourth proportional to 31,484,738, 43,434,093.44 and 18,423,984.88 is: 25,416,412.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,484,738 : 43,434,093.44 = 18,423,984.88 : x
  2. Step 2: Convert to fraction form
    31,484,738/43,434,093.44 = 18,423,984.88/x
  3. Step 3: Cross multiply
    31,484,738x = 43,434,093.44 × 18,423,984.88
  4. Step 4: Simplify right side
    31,484,738x = 800,229,080,815,067.12
  5. Step 5: Solve for x
    x = 800,229,080,815,067.12/31,484,738
  6. Step 6: Final answer
    x = 25,416,412.26

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1.5x scale

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.