Home / 17,968,492.80-26,952,739.20-5,189,414.40

Finding the Fourth Proportional to 17,968,492.80, 26,952,739.20 and 5,189,414.40

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Solution

The fourth proportional to 17,968,492.80, 26,952,739.20 and 5,189,414.40 is: 7,784,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,968,492.80 : 26,952,739.20 = 5,189,414.40 : x
  2. Step 2: Convert to fraction form
    17,968,492.80/26,952,739.20 = 5,189,414.40/x
  3. Step 3: Cross multiply
    17,968,492.80x = 26,952,739.20 × 5,189,414.40
  4. Step 4: Simplify right side
    17,968,492.80x = 139,868,932,923,924.48
  5. Step 5: Solve for x
    x = 139,868,932,923,924.48/17,968,492.80
  6. Step 6: Final answer
    x = 7,784,121.60

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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.