Home / 8,093,042.20-12,139,563.30-7,431,693.40

Finding the Fourth Proportional to 8,093,042.20, 12,139,563.30 and 7,431,693.40

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Solution

The fourth proportional to 8,093,042.20, 12,139,563.30 and 7,431,693.40 is: 11,147,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,093,042.20 : 12,139,563.30 = 7,431,693.40 : x
  2. Step 2: Convert to fraction form
    8,093,042.20/12,139,563.30 = 7,431,693.40/x
  3. Step 3: Cross multiply
    8,093,042.20x = 12,139,563.30 × 7,431,693.40
  4. Step 4: Simplify right side
    8,093,042.20x = 90,217,512,455,492.23
  5. Step 5: Solve for x
    x = 90,217,512,455,492.23/8,093,042.20
  6. Step 6: Final answer
    x = 11,147,540.10

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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.