Home / 13,284,021.70-19,926,032.55-12,087,295.30

Finding the Fourth Proportional to 13,284,021.70, 19,926,032.55 and 12,087,295.30

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Solution

The fourth proportional to 13,284,021.70, 19,926,032.55 and 12,087,295.30 is: 18,130,942.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284,021.70 : 19,926,032.55 = 12,087,295.30 : x
  2. Step 2: Convert to fraction form
    13,284,021.70/19,926,032.55 = 12,087,295.30/x
  3. Step 3: Cross multiply
    13,284,021.70x = 19,926,032.55 × 12,087,295.30
  4. Step 4: Simplify right side
    13,284,021.70x = 240,851,839,589,262.03
  5. Step 5: Solve for x
    x = 240,851,839,589,262.03/13,284,021.70
  6. Step 6: Final answer
    x = 18,130,942.95

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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.