Home / 28,821,771.88-39,770,117.04-17,216,871.88

Finding the Fourth Proportional to 28,821,771.88, 39,770,117.04 and 17,216,871.88

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Solution

The fourth proportional to 28,821,771.88, 39,770,117.04 and 17,216,871.88 is: 23,756,936.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,821,771.88 : 39,770,117.04 = 17,216,871.88 : x
  2. Step 2: Convert to fraction form
    28,821,771.88/39,770,117.04 = 17,216,871.88/x
  3. Step 3: Cross multiply
    28,821,771.88x = 39,770,117.04 × 17,216,871.88
  4. Step 4: Simplify right side
    28,821,771.88x = 684,717,009,730,284.75
  5. Step 5: Solve for x
    x = 684,717,009,730,284.75/28,821,771.88
  6. Step 6: Final answer
    x = 23,756,936.69

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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.