Home / 18,326,020.85-25,289,215.88-10,177,783.73

Finding the Fourth Proportional to 18,326,020.85, 25,289,215.88 and 10,177,783.73

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Solution

The fourth proportional to 18,326,020.85, 25,289,215.88 and 10,177,783.73 is: 14,044,956.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326,020.85 : 25,289,215.88 = 10,177,783.73 : x
  2. Step 2: Convert to fraction form
    18,326,020.85/25,289,215.88 = 10,177,783.73/x
  3. Step 3: Cross multiply
    18,326,020.85x = 25,289,215.88 × 10,177,783.73
  4. Step 4: Simplify right side
    18,326,020.85x = 257,388,169,801,475.53
  5. Step 5: Solve for x
    x = 257,388,169,801,475.53/18,326,020.85
  6. Step 6: Final answer
    x = 14,044,956.73

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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.