Home / 18,986,492.25-26,201,485.11-10,284,664.86

Finding the Fourth Proportional to 18,986,492.25, 26,201,485.11 and 10,284,664.86

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Solution

The fourth proportional to 18,986,492.25, 26,201,485.11 and 10,284,664.86 is: 14,192,905.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,986,492.25 : 26,201,485.11 = 10,284,664.86 : x
  2. Step 2: Convert to fraction form
    18,986,492.25/26,201,485.11 = 10,284,664.86/x
  3. Step 3: Cross multiply
    18,986,492.25x = 26,201,485.11 × 10,284,664.86
  4. Step 4: Simplify right side
    18,986,492.25x = 269,473,493,190,630.22
  5. Step 5: Solve for x
    x = 269,473,493,190,630.22/18,986,492.25
  6. Step 6: Final answer
    x = 14,192,905.65

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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.