Home / 18,895,384.05-28,343,076.08-8,110,849.65

Finding the Fourth Proportional to 18,895,384.05, 28,343,076.08 and 8,110,849.65

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Solution

The fourth proportional to 18,895,384.05, 28,343,076.08 and 8,110,849.65 is: 12,166,274.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,895,384.05 : 28,343,076.08 = 8,110,849.65 : x
  2. Step 2: Convert to fraction form
    18,895,384.05/28,343,076.08 = 8,110,849.65/x
  3. Step 3: Cross multiply
    18,895,384.05x = 28,343,076.08 × 8,110,849.65
  4. Step 4: Simplify right side
    18,895,384.05x = 229,886,428,662,837.12
  5. Step 5: Solve for x
    x = 229,886,428,662,837.12/18,895,384.05
  6. Step 6: Final answer
    x = 12,166,274.48

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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.