Home / 8,308,579.20-12,461,702.40-2,629,377.60

Finding the Fourth Proportional to 8,308,579.20, 12,461,702.40 and 2,629,377.60

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Solution

The fourth proportional to 8,308,579.20, 12,461,702.40 and 2,629,377.60 is: 3,943,697.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308,579.20 : 12,461,702.40 = 2,629,377.60 : x
  2. Step 2: Convert to fraction form
    8,308,579.20/12,461,702.40 = 2,629,377.60/x
  3. Step 3: Cross multiply
    8,308,579.20x = 12,461,702.40 × 2,629,377.60
  4. Step 4: Simplify right side
    8,308,579.20x = 32,766,521,148,426.24
  5. Step 5: Solve for x
    x = 32,766,521,148,426.24/8,308,579.20
  6. Step 6: Final answer
    x = 3,943,697.27

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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.