Home / 12,469,105.88-18,687,124.02-6,403,592.60

Finding the Fourth Proportional to 12,469,105.88, 18,687,124.02 and 6,403,592.60

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Solution

The fourth proportional to 12,469,105.88, 18,687,124.02 and 6,403,592.60 is: 9,596,897.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469,105.88 : 18,687,124.02 = 6,403,592.60 : x
  2. Step 2: Convert to fraction form
    12,469,105.88/18,687,124.02 = 6,403,592.60/x
  3. Step 3: Cross multiply
    12,469,105.88x = 18,687,124.02 × 6,403,592.60
  4. Step 4: Simplify right side
    12,469,105.88x = 119,664,729,089,754.23
  5. Step 5: Solve for x
    x = 119,664,729,089,754.23/12,469,105.88
  6. Step 6: Final answer
    x = 9,596,897.34

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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.