Home / 18,971,992.23-28,453,729.15-8,727,012.60

Finding the Fourth Proportional to 18,971,992.23, 28,453,729.15 and 8,727,012.60

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Solution

The fourth proportional to 18,971,992.23, 28,453,729.15 and 8,727,012.60 is: 13,088,559.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,971,992.23 : 28,453,729.15 = 8,727,012.60 : x
  2. Step 2: Convert to fraction form
    18,971,992.23/28,453,729.15 = 8,727,012.60/x
  3. Step 3: Cross multiply
    18,971,992.23x = 28,453,729.15 × 8,727,012.60
  4. Step 4: Simplify right side
    18,971,992.23x = 248,316,052,809,037.28
  5. Step 5: Solve for x
    x = 248,316,052,809,037.28/18,971,992.23
  6. Step 6: Final answer
    x = 13,088,559.69

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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.