Home / 23,189,629.60-34,784,444.40-21,205,583.20

Finding the Fourth Proportional to 23,189,629.60, 34,784,444.40 and 21,205,583.20

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Solution

The fourth proportional to 23,189,629.60, 34,784,444.40 and 21,205,583.20 is: 31,808,374.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,189,629.60 : 34,784,444.40 = 21,205,583.20 : x
  2. Step 2: Convert to fraction form
    23,189,629.60/34,784,444.40 = 21,205,583.20/x
  3. Step 3: Cross multiply
    23,189,629.60x = 34,784,444.40 × 21,205,583.20
  4. Step 4: Simplify right side
    23,189,629.60x = 737,624,429,789,974
  5. Step 5: Solve for x
    x = 737,624,429,789,974/23,189,629.60
  6. Step 6: Final answer
    x = 31,808,374.80

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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.