Home / 12,818,147.88-19,217,551.52-4,177,088.42

Finding the Fourth Proportional to 12,818,147.88, 19,217,551.52 and 4,177,088.42

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Solution

The fourth proportional to 12,818,147.88, 19,217,551.52 and 4,177,088.42 is: 6,262,481.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,818,147.88 : 19,217,551.52 = 4,177,088.42 : x
  2. Step 2: Convert to fraction form
    12,818,147.88/19,217,551.52 = 4,177,088.42/x
  3. Step 3: Cross multiply
    12,818,147.88x = 19,217,551.52 × 4,177,088.42
  4. Step 4: Simplify right side
    12,818,147.88x = 80,273,411,914,945.39
  5. Step 5: Solve for x
    x = 80,273,411,914,945.39/12,818,147.88
  6. Step 6: Final answer
    x = 6,262,481.34

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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.