Home / 30,019,396.89-41,426,803.13-16,268,361.02

Finding the Fourth Proportional to 30,019,396.89, 41,426,803.13 and 16,268,361.02

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Solution

The fourth proportional to 30,019,396.89, 41,426,803.13 and 16,268,361.02 is: 22,450,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,019,396.89 : 41,426,803.13 = 16,268,361.02 : x
  2. Step 2: Convert to fraction form
    30,019,396.89/41,426,803.13 = 16,268,361.02/x
  3. Step 3: Cross multiply
    30,019,396.89x = 41,426,803.13 × 16,268,361.02
  4. Step 4: Simplify right side
    30,019,396.89x = 673,946,189,223,306
  5. Step 5: Solve for x
    x = 673,946,189,223,306/30,019,396.89
  6. Step 6: Final answer
    x = 22,450,357.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.