Home / 18,961,776.90-26,157,611.91-11,517,457.92

Finding the Fourth Proportional to 18,961,776.90, 26,157,611.91 and 11,517,457.92

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Solution

The fourth proportional to 18,961,776.90, 26,157,611.91 and 11,517,457.92 is: 15,888,236.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,961,776.90 : 26,157,611.91 = 11,517,457.92 : x
  2. Step 2: Convert to fraction form
    18,961,776.90/26,157,611.91 = 11,517,457.92/x
  3. Step 3: Cross multiply
    18,961,776.90x = 26,157,611.91 × 11,517,457.92
  4. Step 4: Simplify right side
    18,961,776.90x = 301,269,194,461,115.81
  5. Step 5: Solve for x
    x = 301,269,194,461,115.81/18,961,776.90
  6. Step 6: Final answer
    x = 15,888,236.43

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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.