Home / 28,489,676.80-42,734,515.20-8,295,577.60

Finding the Fourth Proportional to 28,489,676.80, 42,734,515.20 and 8,295,577.60

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Solution

The fourth proportional to 28,489,676.80, 42,734,515.20 and 8,295,577.60 is: 12,443,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,489,676.80 : 42,734,515.20 = 8,295,577.60 : x
  2. Step 2: Convert to fraction form
    28,489,676.80/42,734,515.20 = 8,295,577.60/x
  3. Step 3: Cross multiply
    28,489,676.80x = 42,734,515.20 × 8,295,577.60
  4. Step 4: Simplify right side
    28,489,676.80x = 354,507,487,039,979.50
  5. Step 5: Solve for x
    x = 354,507,487,039,979.50/28,489,676.80
  6. Step 6: Final answer
    x = 12,443,366.40

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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.