Home / 7,779,426.42-11,670,972.54-2,661,912.06

Finding the Fourth Proportional to 7,779,426.42, 11,670,972.54 and 2,661,912.06

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Solution

The fourth proportional to 7,779,426.42, 11,670,972.54 and 2,661,912.06 is: 3,993,495.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779,426.42 : 11,670,972.54 = 2,661,912.06 : x
  2. Step 2: Convert to fraction form
    7,779,426.42/11,670,972.54 = 2,661,912.06/x
  3. Step 3: Cross multiply
    7,779,426.42x = 11,670,972.54 × 2,661,912.06
  4. Step 4: Simplify right side
    7,779,426.42x = 31,067,102,556,154.83
  5. Step 5: Solve for x
    x = 31,067,102,556,154.83/7,779,426.42
  6. Step 6: Final answer
    x = 3,993,495.26

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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.