Home / 28,202,477.44-38,915,934.96-17,185,211.68

Finding the Fourth Proportional to 28,202,477.44, 38,915,934.96 and 17,185,211.68

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Solution

The fourth proportional to 28,202,477.44, 38,915,934.96 and 17,185,211.68 is: 23,713,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,202,477.44 : 38,915,934.96 = 17,185,211.68 : x
  2. Step 2: Convert to fraction form
    28,202,477.44/38,915,934.96 = 17,185,211.68/x
  3. Step 3: Cross multiply
    28,202,477.44x = 38,915,934.96 × 17,185,211.68
  4. Step 4: Simplify right side
    28,202,477.44x = 668,778,580,012,712.38
  5. Step 5: Solve for x
    x = 668,778,580,012,712.38/28,202,477.44
  6. Step 6: Final answer
    x = 23,713,469.20

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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.