Home / 21,967,130.97-30,314,480.49-12,043,849.99

Finding the Fourth Proportional to 21,967,130.97, 30,314,480.49 and 12,043,849.99

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Solution

The fourth proportional to 21,967,130.97, 30,314,480.49 and 12,043,849.99 is: 16,620,425.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,967,130.97 : 30,314,480.49 = 12,043,849.99 : x
  2. Step 2: Convert to fraction form
    21,967,130.97/30,314,480.49 = 12,043,849.99/x
  3. Step 3: Cross multiply
    21,967,130.97x = 30,314,480.49 × 12,043,849.99
  4. Step 4: Simplify right side
    21,967,130.97x = 365,103,055,546,341.69
  5. Step 5: Solve for x
    x = 365,103,055,546,341.69/21,967,130.97
  6. Step 6: Final answer
    x = 16,620,425.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.