Home / 7,771,610.40-11,657,415.60-5,504,128.80

Finding the Fourth Proportional to 7,771,610.40, 11,657,415.60 and 5,504,128.80

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Solution

The fourth proportional to 7,771,610.40, 11,657,415.60 and 5,504,128.80 is: 8,256,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771,610.40 : 11,657,415.60 = 5,504,128.80 : x
  2. Step 2: Convert to fraction form
    7,771,610.40/11,657,415.60 = 5,504,128.80/x
  3. Step 3: Cross multiply
    7,771,610.40x = 11,657,415.60 × 5,504,128.80
  4. Step 4: Simplify right side
    7,771,610.40x = 64,163,916,937,529.27
  5. Step 5: Solve for x
    x = 64,163,916,937,529.27/7,771,610.40
  6. Step 6: Final answer
    x = 8,256,193.20

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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.