Home / 11,177,322.80-16,765,984.20-7,776,100.40

Finding the Fourth Proportional to 11,177,322.80, 16,765,984.20 and 7,776,100.40

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Solution

The fourth proportional to 11,177,322.80, 16,765,984.20 and 7,776,100.40 is: 11,664,150.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177,322.80 : 16,765,984.20 = 7,776,100.40 : x
  2. Step 2: Convert to fraction form
    11,177,322.80/16,765,984.20 = 7,776,100.40/x
  3. Step 3: Cross multiply
    11,177,322.80x = 16,765,984.20 × 7,776,100.40
  4. Step 4: Simplify right side
    11,177,322.80x = 130,373,976,444,013.69
  5. Step 5: Solve for x
    x = 130,373,976,444,013.69/11,177,322.80
  6. Step 6: Final answer
    x = 11,664,150.60

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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.