Home / 28,821,759.60-39,770,100.14-17,216,859.63

Finding the Fourth Proportional to 28,821,759.60, 39,770,100.14 and 17,216,859.63

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Solution

The fourth proportional to 28,821,759.60, 39,770,100.14 and 17,216,859.63 is: 23,756,919.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,821,759.60 : 39,770,100.14 = 17,216,859.63 : x
  2. Step 2: Convert to fraction form
    28,821,759.60/39,770,100.14 = 17,216,859.63/x
  3. Step 3: Cross multiply
    28,821,759.60x = 39,770,100.14 × 17,216,859.63
  4. Step 4: Simplify right side
    28,821,759.60x = 684,716,231,495,339
  5. Step 5: Solve for x
    x = 684,716,231,495,339/28,821,759.60
  6. Step 6: Final answer
    x = 23,756,919.81

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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.