Home / 18,795,384.45-28,193,076.68-11,237,112.45

Finding the Fourth Proportional to 18,795,384.45, 28,193,076.68 and 11,237,112.45

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Solution

The fourth proportional to 18,795,384.45, 28,193,076.68 and 11,237,112.45 is: 16,855,668.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795,384.45 : 28,193,076.68 = 11,237,112.45 : x
  2. Step 2: Convert to fraction form
    18,795,384.45/28,193,076.68 = 11,237,112.45/x
  3. Step 3: Cross multiply
    18,795,384.45x = 28,193,076.68 × 11,237,112.45
  4. Step 4: Simplify right side
    18,795,384.45x = 316,808,772,908,447.06
  5. Step 5: Solve for x
    x = 316,808,772,908,447.06/18,795,384.45
  6. Step 6: Final answer
    x = 16,855,668.68

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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.