Home / 30,865,147.36-42,589,988.64-16,922,833.60

Finding the Fourth Proportional to 30,865,147.36, 42,589,988.64 and 16,922,833.60

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Solution

The fourth proportional to 30,865,147.36, 42,589,988.64 and 16,922,833.60 is: 23,351,364.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,865,147.36 : 42,589,988.64 = 16,922,833.60 : x
  2. Step 2: Convert to fraction form
    30,865,147.36/42,589,988.64 = 16,922,833.60/x
  3. Step 3: Cross multiply
    30,865,147.36x = 42,589,988.64 × 16,922,833.60
  4. Step 4: Simplify right side
    30,865,147.36x = 720,743,290,780,610.38
  5. Step 5: Solve for x
    x = 720,743,290,780,610.38/30,865,147.36
  6. Step 6: Final answer
    x = 23,351,364.00

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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.