Home / 5,138,999.38-7,700,089.62-3,111,096.76

Finding the Fourth Proportional to 5,138,999.38, 7,700,089.62 and 3,111,096.76

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Solution

The fourth proportional to 5,138,999.38, 7,700,089.62 and 3,111,096.76 is: 4,661,554.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138,999.38 : 7,700,089.62 = 3,111,096.76 : x
  2. Step 2: Convert to fraction form
    5,138,999.38/7,700,089.62 = 3,111,096.76/x
  3. Step 3: Cross multiply
    5,138,999.38x = 7,700,089.62 × 3,111,096.76
  4. Step 4: Simplify right side
    5,138,999.38x = 23,955,723,868,491.63
  5. Step 5: Solve for x
    x = 23,955,723,868,491.63/5,138,999.38
  6. Step 6: Final answer
    x = 4,661,554.15

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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.