Home / 12,383,144.40-18,573,841.80-4,294,160.40

Finding the Fourth Proportional to 12,383,144.40, 18,573,841.80 and 4,294,160.40

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Solution

The fourth proportional to 12,383,144.40, 18,573,841.80 and 4,294,160.40 is: 6,440,937.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,383,144.40 : 18,573,841.80 = 4,294,160.40 : x
  2. Step 2: Convert to fraction form
    12,383,144.40/18,573,841.80 = 4,294,160.40/x
  3. Step 3: Cross multiply
    12,383,144.40x = 18,573,841.80 × 4,294,160.40
  4. Step 4: Simplify right side
    12,383,144.40x = 79,759,055,933,424.73
  5. Step 5: Solve for x
    x = 79,759,055,933,424.73/12,383,144.40
  6. Step 6: Final answer
    x = 6,440,937.24

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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.