Home / 18,777,323.71-28,117,477.31-12,959,461.52

Finding the Fourth Proportional to 18,777,323.71, 28,117,477.31 and 12,959,461.52

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Solution

The fourth proportional to 18,777,323.71, 28,117,477.31 and 12,959,461.52 is: 19,405,713.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,777,323.71 : 28,117,477.31 = 12,959,461.52 : x
  2. Step 2: Convert to fraction form
    18,777,323.71/28,117,477.31 = 12,959,461.52/x
  3. Step 3: Cross multiply
    18,777,323.71x = 28,117,477.31 × 12,959,461.52
  4. Step 4: Simplify right side
    18,777,323.71x = 364,387,365,296,634.75
  5. Step 5: Solve for x
    x = 364,387,365,296,634.75/18,777,323.71
  6. Step 6: Final answer
    x = 19,405,713.56

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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.