Home / 20,842,840.44-28,762,804.26-11,675,811.24

Finding the Fourth Proportional to 20,842,840.44, 28,762,804.26 and 11,675,811.24

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Solution

The fourth proportional to 20,842,840.44, 28,762,804.26 and 11,675,811.24 is: 16,112,442.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,842,840.44 : 28,762,804.26 = 11,675,811.24 : x
  2. Step 2: Convert to fraction form
    20,842,840.44/28,762,804.26 = 11,675,811.24/x
  3. Step 3: Cross multiply
    20,842,840.44x = 28,762,804.26 × 11,675,811.24
  4. Step 4: Simplify right side
    20,842,840.44x = 335,829,073,272,827.94
  5. Step 5: Solve for x
    x = 335,829,073,272,827.94/20,842,840.44
  6. Step 6: Final answer
    x = 16,112,442.75

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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.