Home / 13,492,309.82-18,619,412.03-7,380,738.32

Finding the Fourth Proportional to 13,492,309.82, 18,619,412.03 and 7,380,738.32

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Solution

The fourth proportional to 13,492,309.82, 18,619,412.03 and 7,380,738.32 is: 10,185,432.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492,309.82 : 18,619,412.03 = 7,380,738.32 : x
  2. Step 2: Convert to fraction form
    13,492,309.82/18,619,412.03 = 7,380,738.32/x
  3. Step 3: Cross multiply
    13,492,309.82x = 18,619,412.03 × 7,380,738.32
  4. Step 4: Simplify right side
    13,492,309.82x = 137,425,007,735,689.23
  5. Step 5: Solve for x
    x = 137,425,007,735,689.23/13,492,309.82
  6. Step 6: Final answer
    x = 10,185,432.27

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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.