Home / 13,190,410.20-19,785,615.30-10,922,928.60

Finding the Fourth Proportional to 13,190,410.20, 19,785,615.30 and 10,922,928.60

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Solution

The fourth proportional to 13,190,410.20, 19,785,615.30 and 10,922,928.60 is: 16,384,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190,410.20 : 19,785,615.30 = 10,922,928.60 : x
  2. Step 2: Convert to fraction form
    13,190,410.20/19,785,615.30 = 10,922,928.60/x
  3. Step 3: Cross multiply
    13,190,410.20x = 19,785,615.30 × 10,922,928.60
  4. Step 4: Simplify right side
    13,190,410.20x = 216,116,863,228,967.59
  5. Step 5: Solve for x
    x = 216,116,863,228,967.59/13,190,410.20
  6. Step 6: Final answer
    x = 16,384,392.90

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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.