Home / 28,015,845.62-42,025,056.33-8,583,679.94

Finding the Fourth Proportional to 28,015,845.62, 42,025,056.33 and 8,583,679.94

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Solution

The fourth proportional to 28,015,845.62, 42,025,056.33 and 8,583,679.94 is: 12,875,914.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,015,845.62 : 42,025,056.33 = 8,583,679.94 : x
  2. Step 2: Convert to fraction form
    28,015,845.62/42,025,056.33 = 8,583,679.94/x
  3. Step 3: Cross multiply
    28,015,845.62x = 42,025,056.33 × 8,583,679.94
  4. Step 4: Simplify right side
    28,015,845.62x = 360,729,632,997,191
  5. Step 5: Solve for x
    x = 360,729,632,997,191/28,015,845.62
  6. Step 6: Final answer
    x = 12,875,914.51

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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.