Home / 19,859,133.46-29,833,542.60-11,777,409.86

Finding the Fourth Proportional to 19,859,133.46, 29,833,542.60 and 11,777,409.86

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Solution

The fourth proportional to 19,859,133.46, 29,833,542.60 and 11,777,409.86 is: 17,692,708.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859,133.46 : 29,833,542.60 = 11,777,409.86 : x
  2. Step 2: Convert to fraction form
    19,859,133.46/29,833,542.60 = 11,777,409.86/x
  3. Step 3: Cross multiply
    19,859,133.46x = 29,833,542.60 × 11,777,409.86
  4. Step 4: Simplify right side
    19,859,133.46x = 351,361,858,775,970.06
  5. Step 5: Solve for x
    x = 351,361,858,775,970.06/19,859,133.46
  6. Step 6: Final answer
    x = 17,692,708.47

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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.