Home / 7,766,999.10-11,650,498.65-5,228,912.70

Finding the Fourth Proportional to 7,766,999.10, 11,650,498.65 and 5,228,912.70

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Solution

The fourth proportional to 7,766,999.10, 11,650,498.65 and 5,228,912.70 is: 7,843,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766,999.10 : 11,650,498.65 = 5,228,912.70 : x
  2. Step 2: Convert to fraction form
    7,766,999.10/11,650,498.65 = 5,228,912.70/x
  3. Step 3: Cross multiply
    7,766,999.10x = 11,650,498.65 × 5,228,912.70
  4. Step 4: Simplify right side
    7,766,999.10x = 60,919,440,352,317.86
  5. Step 5: Solve for x
    x = 60,919,440,352,317.86/7,766,999.10
  6. Step 6: Final answer
    x = 7,843,369.05

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1.5x scale

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.