Home / 20,554,336.24-28,362,695.48-11,384,682.64

Finding the Fourth Proportional to 20,554,336.24, 28,362,695.48 and 11,384,682.64

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Solution

The fourth proportional to 20,554,336.24, 28,362,695.48 and 11,384,682.64 is: 15,709,594.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,554,336.24 : 28,362,695.48 = 11,384,682.64 : x
  2. Step 2: Convert to fraction form
    20,554,336.24/28,362,695.48 = 11,384,682.64/x
  3. Step 3: Cross multiply
    20,554,336.24x = 28,362,695.48 × 11,384,682.64
  4. Step 4: Simplify right side
    20,554,336.24x = 322,900,286,854,762.50
  5. Step 5: Solve for x
    x = 322,900,286,854,762.50/20,554,336.24
  6. Step 6: Final answer
    x = 15,709,594.47

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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.