Home / 20,809,330.10-31,201,553.55-10,731,634.10

Finding the Fourth Proportional to 20,809,330.10, 31,201,553.55 and 10,731,634.10

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Solution

The fourth proportional to 20,809,330.10, 31,201,553.55 and 10,731,634.10 is: 16,091,034.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,809,330.10 : 31,201,553.55 = 10,731,634.10 : x
  2. Step 2: Convert to fraction form
    20,809,330.10/31,201,553.55 = 10,731,634.10/x
  3. Step 3: Cross multiply
    20,809,330.10x = 31,201,553.55 × 10,731,634.10
  4. Step 4: Simplify right side
    20,809,330.10x = 334,843,656,050,156.06
  5. Step 5: Solve for x
    x = 334,843,656,050,156.06/20,809,330.10
  6. Step 6: Final answer
    x = 16,091,034.86

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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.