Home / 12,478,629.60-17,507,872.80-12,478,629.60

Finding the Fourth Proportional to 12,478,629.60, 17,507,872.80 and 12,478,629.60

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Solution

The fourth proportional to 12,478,629.60, 17,507,872.80 and 12,478,629.60 is: 17,507,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,478,629.60 : 17,507,872.80 = 12,478,629.60 : x
  2. Step 2: Convert to fraction form
    12,478,629.60/17,507,872.80 = 12,478,629.60/x
  3. Step 3: Cross multiply
    12,478,629.60x = 17,507,872.80 × 12,478,629.60
  4. Step 4: Simplify right side
    12,478,629.60x = 218,474,259,755,114.88
  5. Step 5: Solve for x
    x = 218,474,259,755,114.88/12,478,629.60
  6. Step 6: Final answer
    x = 17,507,872.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.