Home / 13,885,143.24-20,743,277.18-8,987,553.58

Finding the Fourth Proportional to 13,885,143.24, 20,743,277.18 and 8,987,553.58

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Solution

The fourth proportional to 13,885,143.24, 20,743,277.18 and 8,987,553.58 is: 13,426,675.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885,143.24 : 20,743,277.18 = 8,987,553.58 : x
  2. Step 2: Convert to fraction form
    13,885,143.24/20,743,277.18 = 8,987,553.58/x
  3. Step 3: Cross multiply
    13,885,143.24x = 20,743,277.18 × 8,987,553.58
  4. Step 4: Simplify right side
    13,885,143.24x = 186,431,315,080,041.31
  5. Step 5: Solve for x
    x = 186,431,315,080,041.31/13,885,143.24
  6. Step 6: Final answer
    x = 13,426,675.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.