Home / 8,374,911.40-12,562,367.10-7,815,039.40

Finding the Fourth Proportional to 8,374,911.40, 12,562,367.10 and 7,815,039.40

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Solution

The fourth proportional to 8,374,911.40, 12,562,367.10 and 7,815,039.40 is: 11,722,559.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374,911.40 : 12,562,367.10 = 7,815,039.40 : x
  2. Step 2: Convert to fraction form
    8,374,911.40/12,562,367.10 = 7,815,039.40/x
  3. Step 3: Cross multiply
    8,374,911.40x = 12,562,367.10 × 7,815,039.40
  4. Step 4: Simplify right side
    8,374,911.40x = 98,175,393,843,763.73
  5. Step 5: Solve for x
    x = 98,175,393,843,763.73/8,374,911.40
  6. Step 6: Final answer
    x = 11,722,559.10

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Similar ratio
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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.