Home / 11,091,825.40-16,637,738.10-7,438,660.60

Finding the Fourth Proportional to 11,091,825.40, 16,637,738.10 and 7,438,660.60

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Solution

The fourth proportional to 11,091,825.40, 16,637,738.10 and 7,438,660.60 is: 11,157,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,091,825.40 : 16,637,738.10 = 7,438,660.60 : x
  2. Step 2: Convert to fraction form
    11,091,825.40/16,637,738.10 = 7,438,660.60/x
  3. Step 3: Cross multiply
    11,091,825.40x = 16,637,738.10 × 7,438,660.60
  4. Step 4: Simplify right side
    11,091,825.40x = 123,762,486,877,588.84
  5. Step 5: Solve for x
    x = 123,762,486,877,588.84/11,091,825.40
  6. Step 6: Final answer
    x = 11,157,990.90

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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.