Home / 13,107,851.09-18,081,426.98-8,204,560.64

Finding the Fourth Proportional to 13,107,851.09, 18,081,426.98 and 8,204,560.64

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Solution

The fourth proportional to 13,107,851.09, 18,081,426.98 and 8,204,560.64 is: 11,317,657.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107,851.09 : 18,081,426.98 = 8,204,560.64 : x
  2. Step 2: Convert to fraction form
    13,107,851.09/18,081,426.98 = 8,204,560.64/x
  3. Step 3: Cross multiply
    13,107,851.09x = 18,081,426.98 × 8,204,560.64
  4. Step 4: Simplify right side
    13,107,851.09x = 148,350,164,045,246.34
  5. Step 5: Solve for x
    x = 148,350,164,045,246.34/13,107,851.09
  6. Step 6: Final answer
    x = 11,317,657.11

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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.