Home / 14,064,403.88-21,097,422.54-5,428,553.24

Finding the Fourth Proportional to 14,064,403.88, 21,097,422.54 and 5,428,553.24

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Solution

The fourth proportional to 14,064,403.88, 21,097,422.54 and 5,428,553.24 is: 8,143,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,064,403.88 : 21,097,422.54 = 5,428,553.24 : x
  2. Step 2: Convert to fraction form
    14,064,403.88/21,097,422.54 = 5,428,553.24/x
  3. Step 3: Cross multiply
    14,064,403.88x = 21,097,422.54 × 5,428,553.24
  4. Step 4: Simplify right side
    14,064,403.88x = 114,528,481,485,166.03
  5. Step 5: Solve for x
    x = 114,528,481,485,166.03/14,064,403.88
  6. Step 6: Final answer
    x = 8,143,145.10

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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.