Home / 19,859,131.46-29,833,539.60-11,777,407.86

Finding the Fourth Proportional to 19,859,131.46, 29,833,539.60 and 11,777,407.86

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Solution

The fourth proportional to 19,859,131.46, 29,833,539.60 and 11,777,407.86 is: 17,692,705.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859,131.46 : 29,833,539.60 = 11,777,407.86 : x
  2. Step 2: Convert to fraction form
    19,859,131.46/29,833,539.60 = 11,777,407.86/x
  3. Step 3: Cross multiply
    19,859,131.46x = 29,833,539.60 × 11,777,407.86
  4. Step 4: Simplify right side
    19,859,131.46x = 351,361,763,776,661.25
  5. Step 5: Solve for x
    x = 351,361,763,776,661.25/19,859,131.46
  6. Step 6: Final answer
    x = 17,692,705.47

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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.