Home / 18,968,364.85-28,452,621.09-4,591,409.58

Finding the Fourth Proportional to 18,968,364.85, 28,452,621.09 and 4,591,409.58

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Solution

The fourth proportional to 18,968,364.85, 28,452,621.09 and 4,591,409.58 is: 6,887,132.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,968,364.85 : 28,452,621.09 = 4,591,409.58 : x
  2. Step 2: Convert to fraction form
    18,968,364.85/28,452,621.09 = 4,591,409.58/x
  3. Step 3: Cross multiply
    18,968,364.85x = 28,452,621.09 × 4,591,409.58
  4. Step 4: Simplify right side
    18,968,364.85x = 130,637,637,048,736.05
  5. Step 5: Solve for x
    x = 130,637,637,048,736.05/18,968,364.85
  6. Step 6: Final answer
    x = 6,887,132.24

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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.