Home / 8,907,879.54-13,371,268.09-7,889,818.75

Finding the Fourth Proportional to 8,907,879.54, 13,371,268.09 and 7,889,818.75

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Solution

The fourth proportional to 8,907,879.54, 13,371,268.09 and 7,889,818.75 is: 11,843,097.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907,879.54 : 13,371,268.09 = 7,889,818.75 : x
  2. Step 2: Convert to fraction form
    8,907,879.54/13,371,268.09 = 7,889,818.75/x
  3. Step 3: Cross multiply
    8,907,879.54x = 13,371,268.09 × 7,889,818.75
  4. Step 4: Simplify right side
    8,907,879.54x = 105,496,881,687,758.69
  5. Step 5: Solve for x
    x = 105,496,881,687,758.69/8,907,879.54
  6. Step 6: Final answer
    x = 11,843,097.03

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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.