Home / 13,213,659.80-18,541,639-13,213,659.80

Finding the Fourth Proportional to 13,213,659.80, 18,541,639 and 13,213,659.80

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Solution

The fourth proportional to 13,213,659.80, 18,541,639 and 13,213,659.80 is: 18,541,639

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,213,659.80 : 18,541,639 = 13,213,659.80 : x
  2. Step 2: Convert to fraction form
    13,213,659.80/18,541,639 = 13,213,659.80/x
  3. Step 3: Cross multiply
    13,213,659.80x = 18,541,639 × 13,213,659.80
  4. Step 4: Simplify right side
    13,213,659.80x = 245,002,909,880,412.22
  5. Step 5: Solve for x
    x = 245,002,909,880,412.22/13,213,659.80
  6. Step 6: Final answer
    x = 18,541,639

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.