Home / 26,946,043.20-40,419,064.80-7,777,425.60

Finding the Fourth Proportional to 26,946,043.20, 40,419,064.80 and 7,777,425.60

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Solution

The fourth proportional to 26,946,043.20, 40,419,064.80 and 7,777,425.60 is: 11,666,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,946,043.20 : 40,419,064.80 = 7,777,425.60 : x
  2. Step 2: Convert to fraction form
    26,946,043.20/40,419,064.80 = 7,777,425.60/x
  3. Step 3: Cross multiply
    26,946,043.20x = 40,419,064.80 × 7,777,425.60
  4. Step 4: Simplify right side
    26,946,043.20x = 314,356,269,303,578.81
  5. Step 5: Solve for x
    x = 314,356,269,303,578.81/26,946,043.20
  6. Step 6: Final answer
    x = 11,666,138.40

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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.