Home / 30,383,821.16-41,929,670.03-16,445,173.79

Finding the Fourth Proportional to 30,383,821.16, 41,929,670.03 and 16,445,173.79

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Solution

The fourth proportional to 30,383,821.16, 41,929,670.03 and 16,445,173.79 is: 22,694,338.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,383,821.16 : 41,929,670.03 = 16,445,173.79 : x
  2. Step 2: Convert to fraction form
    30,383,821.16/41,929,670.03 = 16,445,173.79/x
  3. Step 3: Cross multiply
    30,383,821.16x = 41,929,670.03 × 16,445,173.79
  4. Step 4: Simplify right side
    30,383,821.16x = 689,540,710,308,830.25
  5. Step 5: Solve for x
    x = 689,540,710,308,830.25/30,383,821.16
  6. Step 6: Final answer
    x = 22,694,338.11

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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.