Home / 10,867,683.16-14,991,157.92-6,786,216.28

Finding the Fourth Proportional to 10,867,683.16, 14,991,157.92 and 6,786,216.28

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Solution

The fourth proportional to 10,867,683.16, 14,991,157.92 and 6,786,216.28 is: 9,361,078.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,683.16 : 14,991,157.92 = 6,786,216.28 : x
  2. Step 2: Convert to fraction form
    10,867,683.16/14,991,157.92 = 6,786,216.28/x
  3. Step 3: Cross multiply
    10,867,683.16x = 14,991,157.92 × 6,786,216.28
  4. Step 4: Simplify right side
    10,867,683.16x = 101,733,239,976,942.20
  5. Step 5: Solve for x
    x = 101,733,239,976,942.20/10,867,683.16
  6. Step 6: Final answer
    x = 9,361,078.94

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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.