Home / 28,738,675-39,659,371.50-19,587,304.72

Finding the Fourth Proportional to 28,738,675, 39,659,371.50 and 19,587,304.72

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Solution

The fourth proportional to 28,738,675, 39,659,371.50 and 19,587,304.72 is: 27,030,480.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,738,675 : 39,659,371.50 = 19,587,304.72 : x
  2. Step 2: Convert to fraction form
    28,738,675/39,659,371.50 = 19,587,304.72/x
  3. Step 3: Cross multiply
    28,738,675x = 39,659,371.50 × 19,587,304.72
  4. Step 4: Simplify right side
    28,738,675x = 776,820,194,574,183.38
  5. Step 5: Solve for x
    x = 776,820,194,574,183.38/28,738,675
  6. Step 6: Final answer
    x = 27,030,480.51

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1.5x scale

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.