Home / 28,770,985.83-43,183,762.83-17,808,013.45

Finding the Fourth Proportional to 28,770,985.83, 43,183,762.83 and 17,808,013.45

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Solution

The fourth proportional to 28,770,985.83, 43,183,762.83 and 17,808,013.45 is: 26,728,907.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,770,985.83 : 43,183,762.83 = 17,808,013.45 : x
  2. Step 2: Convert to fraction form
    28,770,985.83/43,183,762.83 = 17,808,013.45/x
  3. Step 3: Cross multiply
    28,770,985.83x = 43,183,762.83 × 17,808,013.45
  4. Step 4: Simplify right side
    28,770,985.83x = 769,017,028,993,291.25
  5. Step 5: Solve for x
    x = 769,017,028,993,291.25/28,770,985.83
  6. Step 6: Final answer
    x = 26,728,907.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.