Home / 7,665,118.08-11,500,744.39-3,116,516.51

Finding the Fourth Proportional to 7,665,118.08, 11,500,744.39 and 3,116,516.51

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Solution

The fourth proportional to 7,665,118.08, 11,500,744.39 and 3,116,516.51 is: 4,676,021.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665,118.08 : 11,500,744.39 = 3,116,516.51 : x
  2. Step 2: Convert to fraction form
    7,665,118.08/11,500,744.39 = 3,116,516.51/x
  3. Step 3: Cross multiply
    7,665,118.08x = 11,500,744.39 × 3,116,516.51
  4. Step 4: Simplify right side
    7,665,118.08x = 35,842,259,711,221.16
  5. Step 5: Solve for x
    x = 35,842,259,711,221.16/7,665,118.08
  6. Step 6: Final answer
    x = 4,676,021.86

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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.