Home / 12,783,361.20-19,175,041.80-4,263,975.60

Finding the Fourth Proportional to 12,783,361.20, 19,175,041.80 and 4,263,975.60

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Solution

The fourth proportional to 12,783,361.20, 19,175,041.80 and 4,263,975.60 is: 6,395,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,783,361.20 : 19,175,041.80 = 4,263,975.60 : x
  2. Step 2: Convert to fraction form
    12,783,361.20/19,175,041.80 = 4,263,975.60/x
  3. Step 3: Cross multiply
    12,783,361.20x = 19,175,041.80 × 4,263,975.60
  4. Step 4: Simplify right side
    12,783,361.20x = 81,761,910,364,180.08
  5. Step 5: Solve for x
    x = 81,761,910,364,180.08/12,783,361.20
  6. Step 6: Final answer
    x = 6,395,963.40

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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.