Home / 20,554,352.24-28,362,717.61-11,384,698.64

Finding the Fourth Proportional to 20,554,352.24, 28,362,717.61 and 11,384,698.64

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Solution

The fourth proportional to 20,554,352.24, 28,362,717.61 and 11,384,698.64 is: 15,709,616.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,554,352.24 : 28,362,717.61 = 11,384,698.64 : x
  2. Step 2: Convert to fraction form
    20,554,352.24/28,362,717.61 = 11,384,698.64/x
  3. Step 3: Cross multiply
    20,554,352.24x = 28,362,717.61 × 11,384,698.64
  4. Step 4: Simplify right side
    20,554,352.24x = 322,900,992,430,995.75
  5. Step 5: Solve for x
    x = 322,900,992,430,995.75/20,554,352.24
  6. Step 6: Final answer
    x = 15,709,616.57

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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.