Home / 28,821,742.14-39,770,076.09-17,216,842.17

Finding the Fourth Proportional to 28,821,742.14, 39,770,076.09 and 17,216,842.17

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Solution

The fourth proportional to 28,821,742.14, 39,770,076.09 and 17,216,842.17 is: 23,756,895.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,821,742.14 : 39,770,076.09 = 17,216,842.17 : x
  2. Step 2: Convert to fraction form
    28,821,742.14/39,770,076.09 = 17,216,842.17/x
  3. Step 3: Cross multiply
    28,821,742.14x = 39,770,076.09 × 17,216,842.17
  4. Step 4: Simplify right side
    28,821,742.14x = 684,715,123,130,420.88
  5. Step 5: Solve for x
    x = 684,715,123,130,420.88/28,821,742.14
  6. Step 6: Final answer
    x = 23,756,895.74

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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.