Home / 13,890,774.40-20,836,161.60-4,916,233.60

Finding the Fourth Proportional to 13,890,774.40, 20,836,161.60 and 4,916,233.60

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Solution

The fourth proportional to 13,890,774.40, 20,836,161.60 and 4,916,233.60 is: 7,374,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,890,774.40 : 20,836,161.60 = 4,916,233.60 : x
  2. Step 2: Convert to fraction form
    13,890,774.40/20,836,161.60 = 4,916,233.60/x
  3. Step 3: Cross multiply
    13,890,774.40x = 20,836,161.60 × 4,916,233.60
  4. Step 4: Simplify right side
    13,890,774.40x = 102,435,437,752,949.77
  5. Step 5: Solve for x
    x = 102,435,437,752,949.77/13,890,774.40
  6. Step 6: Final answer
    x = 7,374,350.40

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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.