Home / 28,821,759.95-39,770,100.65-17,216,859.98

Finding the Fourth Proportional to 28,821,759.95, 39,770,100.65 and 17,216,859.98

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Solution

The fourth proportional to 28,821,759.95, 39,770,100.65 and 17,216,859.98 is: 23,756,920.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,821,759.95 : 39,770,100.65 = 17,216,859.98 : x
  2. Step 2: Convert to fraction form
    28,821,759.95/39,770,100.65 = 17,216,859.98/x
  3. Step 3: Cross multiply
    28,821,759.95x = 39,770,100.65 × 17,216,859.98
  4. Step 4: Simplify right side
    28,821,759.95x = 684,716,254,424,024.50
  5. Step 5: Solve for x
    x = 684,716,254,424,024.50/28,821,759.95
  6. Step 6: Final answer
    x = 23,756,920.31

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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.