Home / 13,338,021.80-18,723,619-13,338,021.80

Finding the Fourth Proportional to 13,338,021.80, 18,723,619 and 13,338,021.80

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Solution

The fourth proportional to 13,338,021.80, 18,723,619 and 13,338,021.80 is: 18,723,619

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338,021.80 : 18,723,619 = 13,338,021.80 : x
  2. Step 2: Convert to fraction form
    13,338,021.80/18,723,619 = 13,338,021.80/x
  3. Step 3: Cross multiply
    13,338,021.80x = 18,723,619 × 13,338,021.80
  4. Step 4: Simplify right side
    13,338,021.80x = 249,736,038,396,894.22
  5. Step 5: Solve for x
    x = 249,736,038,396,894.22/13,338,021.80
  6. Step 6: Final answer
    x = 18,723,619

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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.