Home / 11,018,727.60-16,528,091.40-7,971,799.20

Finding the Fourth Proportional to 11,018,727.60, 16,528,091.40 and 7,971,799.20

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Solution

The fourth proportional to 11,018,727.60, 16,528,091.40 and 7,971,799.20 is: 11,957,698.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018,727.60 : 16,528,091.40 = 7,971,799.20 : x
  2. Step 2: Convert to fraction form
    11,018,727.60/16,528,091.40 = 7,971,799.20/x
  3. Step 3: Cross multiply
    11,018,727.60x = 16,528,091.40 × 7,971,799.20
  4. Step 4: Simplify right side
    11,018,727.60x = 131,758,625,800,046.89
  5. Step 5: Solve for x
    x = 131,758,625,800,046.89/11,018,727.60
  6. Step 6: Final answer
    x = 11,957,698.80

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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.