Home / 23,190,653.60-34,785,980.40-21,206,607.20

Finding the Fourth Proportional to 23,190,653.60, 34,785,980.40 and 21,206,607.20

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Solution

The fourth proportional to 23,190,653.60, 34,785,980.40 and 21,206,607.20 is: 31,809,910.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,190,653.60 : 34,785,980.40 = 21,206,607.20 : x
  2. Step 2: Convert to fraction form
    23,190,653.60/34,785,980.40 = 21,206,607.20/x
  3. Step 3: Cross multiply
    23,190,653.60x = 34,785,980.40 × 21,206,607.20
  4. Step 4: Simplify right side
    23,190,653.60x = 737,692,622,409,698.88
  5. Step 5: Solve for x
    x = 737,692,622,409,698.88/23,190,653.60
  6. Step 6: Final answer
    x = 31,809,910.80

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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.