Home / 13,617,787.75-20,426,773.59-4,978,334.12

Finding the Fourth Proportional to 13,617,787.75, 20,426,773.59 and 4,978,334.12

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Solution

The fourth proportional to 13,617,787.75, 20,426,773.59 and 4,978,334.12 is: 7,467,534.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617,787.75 : 20,426,773.59 = 4,978,334.12 : x
  2. Step 2: Convert to fraction form
    13,617,787.75/20,426,773.59 = 4,978,334.12/x
  3. Step 3: Cross multiply
    13,617,787.75x = 20,426,773.59 × 4,978,334.12
  4. Step 4: Simplify right side
    13,617,787.75x = 101,691,303,822,478.03
  5. Step 5: Solve for x
    x = 101,691,303,822,478.03/13,617,787.75
  6. Step 6: Final answer
    x = 7,467,534.79

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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.