Home / 7,086,034.09-9,779,038.37-3,988,757.31

Finding the Fourth Proportional to 7,086,034.09, 9,779,038.37 and 3,988,757.31

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Solution

The fourth proportional to 7,086,034.09, 9,779,038.37 and 3,988,757.31 is: 5,504,660.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,086,034.09 : 9,779,038.37 = 3,988,757.31 : x
  2. Step 2: Convert to fraction form
    7,086,034.09/9,779,038.37 = 3,988,757.31/x
  3. Step 3: Cross multiply
    7,086,034.09x = 9,779,038.37 × 3,988,757.31
  4. Step 4: Simplify right side
    7,086,034.09x = 39,006,210,783,107.98
  5. Step 5: Solve for x
    x = 39,006,210,783,107.98/7,086,034.09
  6. Step 6: Final answer
    x = 5,504,660.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.