Home / 11,615,992.92-16,030,457.28-6,389,221.68

Finding the Fourth Proportional to 11,615,992.92, 16,030,457.28 and 6,389,221.68

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Solution

The fourth proportional to 11,615,992.92, 16,030,457.28 and 6,389,221.68 is: 8,817,338.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615,992.92 : 16,030,457.28 = 6,389,221.68 : x
  2. Step 2: Convert to fraction form
    11,615,992.92/16,030,457.28 = 6,389,221.68/x
  3. Step 3: Cross multiply
    11,615,992.92x = 16,030,457.28 × 6,389,221.68
  4. Step 4: Simplify right side
    11,615,992.92x = 102,422,145,193,689.83
  5. Step 5: Solve for x
    x = 102,422,145,193,689.83/11,615,992.92
  6. Step 6: Final answer
    x = 8,817,338.81

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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.