Home / 13,492,314.30-18,619,418.24-7,380,742.80

Finding the Fourth Proportional to 13,492,314.30, 18,619,418.24 and 7,380,742.80

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Solution

The fourth proportional to 13,492,314.30, 18,619,418.24 and 7,380,742.80 is: 10,185,438.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492,314.30 : 18,619,418.24 = 7,380,742.80 : x
  2. Step 2: Convert to fraction form
    13,492,314.30/18,619,418.24 = 7,380,742.80/x
  3. Step 3: Cross multiply
    13,492,314.30x = 18,619,418.24 × 7,380,742.80
  4. Step 4: Simplify right side
    13,492,314.30x = 137,425,137,078,164.95
  5. Step 5: Solve for x
    x = 137,425,137,078,164.95/13,492,314.30
  6. Step 6: Final answer
    x = 10,185,438.47

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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.