Home / 11,190,021.72-16,785,032.56-7,402,618.84

Finding the Fourth Proportional to 11,190,021.72, 16,785,032.56 and 7,402,618.84

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Solution

The fourth proportional to 11,190,021.72, 16,785,032.56 and 7,402,618.84 is: 11,103,928.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190,021.72 : 16,785,032.56 = 7,402,618.84 : x
  2. Step 2: Convert to fraction form
    11,190,021.72/16,785,032.56 = 7,402,618.84/x
  3. Step 3: Cross multiply
    11,190,021.72x = 16,785,032.56 × 7,402,618.84
  4. Step 4: Simplify right side
    11,190,021.72x = 124,253,198,258,669.42
  5. Step 5: Solve for x
    x = 124,253,198,258,669.42/11,190,021.72
  6. Step 6: Final answer
    x = 11,103,928.25

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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.