Home / 13,122,021.70-18,328,315.10-13,122,021.70

Finding the Fourth Proportional to 13,122,021.70, 18,328,315.10 and 13,122,021.70

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Solution

The fourth proportional to 13,122,021.70, 18,328,315.10 and 13,122,021.70 is: 18,328,315.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,021.70 : 18,328,315.10 = 13,122,021.70 : x
  2. Step 2: Convert to fraction form
    13,122,021.70/18,328,315.10 = 13,122,021.70/x
  3. Step 3: Cross multiply
    13,122,021.70x = 18,328,315.10 × 13,122,021.70
  4. Step 4: Simplify right side
    13,122,021.70x = 240,504,548,466,637.69
  5. Step 5: Solve for x
    x = 240,504,548,466,637.69/13,122,021.70
  6. Step 6: Final answer
    x = 18,328,315.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.