Home / 14,412,638.88-21,619,208.88-5,310,051.12

Finding the Fourth Proportional to 14,412,638.88, 21,619,208.88 and 5,310,051.12

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Solution

The fourth proportional to 14,412,638.88, 21,619,208.88 and 5,310,051.12 is: 7,965,168.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412,638.88 : 21,619,208.88 = 5,310,051.12 : x
  2. Step 2: Convert to fraction form
    14,412,638.88/21,619,208.88 = 5,310,051.12/x
  3. Step 3: Cross multiply
    14,412,638.88x = 21,619,208.88 × 5,310,051.12
  4. Step 4: Simplify right side
    14,412,638.88x = 114,799,104,326,757.94
  5. Step 5: Solve for x
    x = 114,799,104,326,757.94/14,412,638.88
  6. Step 6: Final answer
    x = 7,965,168.99

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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.