Home / 20,692,554.44-28,557,952.52-11,401,058.61

Finding the Fourth Proportional to 20,692,554.44, 28,557,952.52 and 11,401,058.61

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Solution

The fourth proportional to 20,692,554.44, 28,557,952.52 and 11,401,058.61 is: 15,734,688.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,692,554.44 : 28,557,952.52 = 11,401,058.61 : x
  2. Step 2: Convert to fraction form
    20,692,554.44/28,557,952.52 = 11,401,058.61/x
  3. Step 3: Cross multiply
    20,692,554.44x = 28,557,952.52 × 11,401,058.61
  4. Step 4: Simplify right side
    20,692,554.44x = 325,590,890,405,111.88
  5. Step 5: Solve for x
    x = 325,590,890,405,111.88/20,692,554.44
  6. Step 6: Final answer
    x = 15,734,688.12

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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.