Home / 45,798,906.60-68,729,852.70-18,872,562.60

Finding the Fourth Proportional to 45,798,906.60, 68,729,852.70 and 18,872,562.60

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Solution

The fourth proportional to 45,798,906.60, 68,729,852.70 and 18,872,562.60 is: 28,321,821.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,798,906.60 : 68,729,852.70 = 18,872,562.60 : x
  2. Step 2: Convert to fraction form
    45,798,906.60/68,729,852.70 = 18,872,562.60/x
  3. Step 3: Cross multiply
    45,798,906.60x = 68,729,852.70 × 18,872,562.60
  4. Step 4: Simplify right side
    45,798,906.60x = 1,297,108,447,569,529.25
  5. Step 5: Solve for x
    x = 1,297,108,447,569,529.25/45,798,906.60
  6. Step 6: Final answer
    x = 28,321,821.28

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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.