Home / 10,628,447.31-14,674,317.03-8,176,732.83

Finding the Fourth Proportional to 10,628,447.31, 14,674,317.03 and 8,176,732.83

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Solution

The fourth proportional to 10,628,447.31, 14,674,317.03 and 8,176,732.83 is: 11,289,322.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628,447.31 : 14,674,317.03 = 8,176,732.83 : x
  2. Step 2: Convert to fraction form
    10,628,447.31/14,674,317.03 = 8,176,732.83/x
  3. Step 3: Cross multiply
    10,628,447.31x = 14,674,317.03 × 8,176,732.83
  4. Step 4: Simplify right side
    10,628,447.31x = 119,987,969,817,029.09
  5. Step 5: Solve for x
    x = 119,987,969,817,029.09/10,628,447.31
  6. Step 6: Final answer
    x = 11,289,322.54

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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.