Home / 13,764,076.80-18,994,113.60-7,484,467.20

Finding the Fourth Proportional to 13,764,076.80, 18,994,113.60 and 7,484,467.20

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Solution

The fourth proportional to 13,764,076.80, 18,994,113.60 and 7,484,467.20 is: 10,328,394.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764,076.80 : 18,994,113.60 = 7,484,467.20 : x
  2. Step 2: Convert to fraction form
    13,764,076.80/18,994,113.60 = 7,484,467.20/x
  3. Step 3: Cross multiply
    13,764,076.80x = 18,994,113.60 × 7,484,467.20
  4. Step 4: Simplify right side
    13,764,076.80x = 142,160,820,232,273.94
  5. Step 5: Solve for x
    x = 142,160,820,232,273.94/13,764,076.80
  6. Step 6: Final answer
    x = 10,328,394.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.