Home / 13,305,974.80-19,958,962.20-12,783,427.60

Finding the Fourth Proportional to 13,305,974.80, 19,958,962.20 and 12,783,427.60

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Solution

The fourth proportional to 13,305,974.80, 19,958,962.20 and 12,783,427.60 is: 19,175,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,974.80 : 19,958,962.20 = 12,783,427.60 : x
  2. Step 2: Convert to fraction form
    13,305,974.80/19,958,962.20 = 12,783,427.60/x
  3. Step 3: Cross multiply
    13,305,974.80x = 19,958,962.20 × 12,783,427.60
  4. Step 4: Simplify right side
    13,305,974.80x = 255,143,948,254,836.69
  5. Step 5: Solve for x
    x = 255,143,948,254,836.69/13,305,974.80
  6. Step 6: Final answer
    x = 19,175,141.40

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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.