Home / 11,918,548.01-17,877,986.06-3,398,885.39

Finding the Fourth Proportional to 11,918,548.01, 17,877,986.06 and 3,398,885.39

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Solution

The fourth proportional to 11,918,548.01, 17,877,986.06 and 3,398,885.39 is: 5,098,374.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918,548.01 : 17,877,986.06 = 3,398,885.39 : x
  2. Step 2: Convert to fraction form
    11,918,548.01/17,877,986.06 = 3,398,885.39/x
  3. Step 3: Cross multiply
    11,918,548.01x = 17,877,986.06 × 3,398,885.39
  4. Step 4: Simplify right side
    11,918,548.01x = 60,765,225,649,658.20
  5. Step 5: Solve for x
    x = 60,765,225,649,658.20/11,918,548.01
  6. Step 6: Final answer
    x = 5,098,374.87

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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.