Home / 13,954,993.80-20,916,938.70-5,432,497.80

Finding the Fourth Proportional to 13,954,993.80, 20,916,938.70 and 5,432,497.80

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Solution

The fourth proportional to 13,954,993.80, 20,916,938.70 and 5,432,497.80 is: 8,142,692.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954,993.80 : 20,916,938.70 = 5,432,497.80 : x
  2. Step 2: Convert to fraction form
    13,954,993.80/20,916,938.70 = 5,432,497.80/x
  3. Step 3: Cross multiply
    13,954,993.80x = 20,916,938.70 × 5,432,497.80
  4. Step 4: Simplify right side
    13,954,993.80x = 113,631,223,470,484.86
  5. Step 5: Solve for x
    x = 113,631,223,470,484.86/13,954,993.80
  6. Step 6: Final answer
    x = 8,142,692.51

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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.