Home / 27,977,912.22-41,966,943.21-7,783,156.38

Finding the Fourth Proportional to 27,977,912.22, 41,966,943.21 and 7,783,156.38

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Solution

The fourth proportional to 27,977,912.22, 41,966,943.21 and 7,783,156.38 is: 11,674,755.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,977,912.22 : 41,966,943.21 = 7,783,156.38 : x
  2. Step 2: Convert to fraction form
    27,977,912.22/41,966,943.21 = 7,783,156.38/x
  3. Step 3: Cross multiply
    27,977,912.22x = 41,966,943.21 × 7,783,156.38
  4. Step 4: Simplify right side
    27,977,912.22x = 326,635,281,794,009.19
  5. Step 5: Solve for x
    x = 326,635,281,794,009.19/27,977,912.22
  6. Step 6: Final answer
    x = 11,674,755.40

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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.