Home / 12,801,090.89-19,201,655.78-5,228,056.64

Finding the Fourth Proportional to 12,801,090.89, 19,201,655.78 and 5,228,056.64

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Solution

The fourth proportional to 12,801,090.89, 19,201,655.78 and 5,228,056.64 is: 7,842,092.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801,090.89 : 19,201,655.78 = 5,228,056.64 : x
  2. Step 2: Convert to fraction form
    12,801,090.89/19,201,655.78 = 5,228,056.64/x
  3. Step 3: Cross multiply
    12,801,090.89x = 19,201,655.78 × 5,228,056.64
  4. Step 4: Simplify right side
    12,801,090.89x = 100,387,344,060,697.66
  5. Step 5: Solve for x
    x = 100,387,344,060,697.66/12,801,090.89
  6. Step 6: Final answer
    x = 7,842,092.90

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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.