Home / 11,715,118.40-17,554,015.20-8,691,809.60

Finding the Fourth Proportional to 11,715,118.40, 17,554,015.20 and 8,691,809.60

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Solution

The fourth proportional to 11,715,118.40, 17,554,015.20 and 8,691,809.60 is: 13,023,868.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715,118.40 : 17,554,015.20 = 8,691,809.60 : x
  2. Step 2: Convert to fraction form
    11,715,118.40/17,554,015.20 = 8,691,809.60/x
  3. Step 3: Cross multiply
    11,715,118.40x = 17,554,015.20 × 8,691,809.60
  4. Step 4: Simplify right side
    11,715,118.40x = 152,576,157,833,905.91
  5. Step 5: Solve for x
    x = 152,576,157,833,905.91/11,715,118.40
  6. Step 6: Final answer
    x = 13,023,868.19

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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.