Home / 28,489,640.30-42,734,460.45-8,295,541.10

Finding the Fourth Proportional to 28,489,640.30, 42,734,460.45 and 8,295,541.10

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Solution

The fourth proportional to 28,489,640.30, 42,734,460.45 and 8,295,541.10 is: 12,443,311.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,489,640.30 : 42,734,460.45 = 8,295,541.10 : x
  2. Step 2: Convert to fraction form
    28,489,640.30/42,734,460.45 = 8,295,541.10/x
  3. Step 3: Cross multiply
    28,489,640.30x = 42,734,460.45 × 8,295,541.10
  4. Step 4: Simplify right side
    28,489,640.30x = 354,505,473,049,299.50
  5. Step 5: Solve for x
    x = 354,505,473,049,299.50/28,489,640.30
  6. Step 6: Final answer
    x = 12,443,311.65

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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.