Home / 18,191,926.80-27,287,890.20-12,106,927.35

Finding the Fourth Proportional to 18,191,926.80, 27,287,890.20 and 12,106,927.35

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Solution

The fourth proportional to 18,191,926.80, 27,287,890.20 and 12,106,927.35 is: 18,160,391.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191,926.80 : 27,287,890.20 = 12,106,927.35 : x
  2. Step 2: Convert to fraction form
    18,191,926.80/27,287,890.20 = 12,106,927.35/x
  3. Step 3: Cross multiply
    18,191,926.80x = 27,287,890.20 × 12,106,927.35
  4. Step 4: Simplify right side
    18,191,926.80x = 330,372,504,186,176.94
  5. Step 5: Solve for x
    x = 330,372,504,186,176.94/18,191,926.80
  6. Step 6: Final answer
    x = 18,160,391.03

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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.