Home / 8,911,396.09-12,297,408.41-5,043,834.21

Finding the Fourth Proportional to 8,911,396.09, 12,297,408.41 and 5,043,834.21

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Solution

The fourth proportional to 8,911,396.09, 12,297,408.41 and 5,043,834.21 is: 6,960,311.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911,396.09 : 12,297,408.41 = 5,043,834.21 : x
  2. Step 2: Convert to fraction form
    8,911,396.09/12,297,408.41 = 5,043,834.21/x
  3. Step 3: Cross multiply
    8,911,396.09x = 12,297,408.41 × 5,043,834.21
  4. Step 4: Simplify right side
    8,911,396.09x = 62,026,089,232,699.70
  5. Step 5: Solve for x
    x = 62,026,089,232,699.70/8,911,396.09
  6. Step 6: Final answer
    x = 6,960,311.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.