Home / 28,702,828.94-43,054,414.65-7,137,430.62

Finding the Fourth Proportional to 28,702,828.94, 43,054,414.65 and 7,137,430.62

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Solution

The fourth proportional to 28,702,828.94, 43,054,414.65 and 7,137,430.62 is: 10,706,188.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,702,828.94 : 43,054,414.65 = 7,137,430.62 : x
  2. Step 2: Convert to fraction form
    28,702,828.94/43,054,414.65 = 7,137,430.62/x
  3. Step 3: Cross multiply
    28,702,828.94x = 43,054,414.65 × 7,137,430.62
  4. Step 4: Simplify right side
    28,702,828.94x = 307,297,897,449,086.56
  5. Step 5: Solve for x
    x = 307,297,897,449,086.56/28,702,828.94
  6. Step 6: Final answer
    x = 10,706,188.51

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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.