Home / 18,747,135.33-28,120,499.78-14,225,950.23

Finding the Fourth Proportional to 18,747,135.33, 28,120,499.78 and 14,225,950.23

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Solution

The fourth proportional to 18,747,135.33, 28,120,499.78 and 14,225,950.23 is: 21,338,771.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747,135.33 : 28,120,499.78 = 14,225,950.23 : x
  2. Step 2: Convert to fraction form
    18,747,135.33/28,120,499.78 = 14,225,950.23/x
  3. Step 3: Cross multiply
    18,747,135.33x = 28,120,499.78 × 14,225,950.23
  4. Step 4: Simplify right side
    18,747,135.33x = 400,040,830,348,570.81
  5. Step 5: Solve for x
    x = 400,040,830,348,570.81/18,747,135.33
  6. Step 6: Final answer
    x = 21,338,771.14

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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.