Home / 18,916,986.06-28,379,464.29-6,136,492.86

Finding the Fourth Proportional to 18,916,986.06, 28,379,464.29 and 6,136,492.86

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Solution

The fourth proportional to 18,916,986.06, 28,379,464.29 and 6,136,492.86 is: 9,206,032.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,916,986.06 : 28,379,464.29 = 6,136,492.86 : x
  2. Step 2: Convert to fraction form
    18,916,986.06/28,379,464.29 = 6,136,492.86/x
  3. Step 3: Cross multiply
    18,916,986.06x = 28,379,464.29 × 6,136,492.86
  4. Step 4: Simplify right side
    18,916,986.06x = 174,150,379,986,209.97
  5. Step 5: Solve for x
    x = 174,150,379,986,209.97/18,916,986.06
  6. Step 6: Final answer
    x = 9,206,032.05

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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.