Home / 30,677,884.80-46,016,827.20-19,198,759.20

Finding the Fourth Proportional to 30,677,884.80, 46,016,827.20 and 19,198,759.20

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Solution

The fourth proportional to 30,677,884.80, 46,016,827.20 and 19,198,759.20 is: 28,798,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,677,884.80 : 46,016,827.20 = 19,198,759.20 : x
  2. Step 2: Convert to fraction form
    30,677,884.80/46,016,827.20 = 19,198,759.20/x
  3. Step 3: Cross multiply
    30,677,884.80x = 46,016,827.20 × 19,198,759.20
  4. Step 4: Simplify right side
    30,677,884.80x = 883,465,984,560,810.25
  5. Step 5: Solve for x
    x = 883,465,984,560,810.25/30,677,884.80
  6. Step 6: Final answer
    x = 28,798,138.80

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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.