Home / 18,339,659.55-25,308,992.03-10,080,485.37

Finding the Fourth Proportional to 18,339,659.55, 25,308,992.03 and 10,080,485.37

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Solution

The fourth proportional to 18,339,659.55, 25,308,992.03 and 10,080,485.37 is: 13,911,213.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339,659.55 : 25,308,992.03 = 10,080,485.37 : x
  2. Step 2: Convert to fraction form
    18,339,659.55/25,308,992.03 = 10,080,485.37/x
  3. Step 3: Cross multiply
    18,339,659.55x = 25,308,992.03 × 10,080,485.37
  4. Step 4: Simplify right side
    18,339,659.55x = 255,126,923,837,459.12
  5. Step 5: Solve for x
    x = 255,126,923,837,459.12/18,339,659.55
  6. Step 6: Final answer
    x = 13,911,213.74

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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.