Home / 12,308,811.75-18,446,713.89-9,579,654.60

Finding the Fourth Proportional to 12,308,811.75, 18,446,713.89 and 9,579,654.60

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Solution

The fourth proportional to 12,308,811.75, 18,446,713.89 and 9,579,654.60 is: 14,356,637.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308,811.75 : 18,446,713.89 = 9,579,654.60 : x
  2. Step 2: Convert to fraction form
    12,308,811.75/18,446,713.89 = 9,579,654.60/x
  3. Step 3: Cross multiply
    12,308,811.75x = 18,446,713.89 × 9,579,654.60
  4. Step 4: Simplify right side
    12,308,811.75x = 176,713,147,571,222.41
  5. Step 5: Solve for x
    x = 176,713,147,571,222.41/12,308,811.75
  6. Step 6: Final answer
    x = 14,356,637.44

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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.