Home / 12,481,774.80-18,722,662.20-4,904,840.40

Finding the Fourth Proportional to 12,481,774.80, 18,722,662.20 and 4,904,840.40

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Solution

The fourth proportional to 12,481,774.80, 18,722,662.20 and 4,904,840.40 is: 7,357,260.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,774.80 : 18,722,662.20 = 4,904,840.40 : x
  2. Step 2: Convert to fraction form
    12,481,774.80/18,722,662.20 = 4,904,840.40/x
  3. Step 3: Cross multiply
    12,481,774.80x = 18,722,662.20 × 4,904,840.40
  4. Step 4: Simplify right side
    12,481,774.80x = 91,831,669,954,112.89
  5. Step 5: Solve for x
    x = 91,831,669,954,112.89/12,481,774.80
  6. Step 6: Final answer
    x = 7,357,260.60

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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.