Home / 21,186,553.98-31,780,126.22-6,040,485.48

Finding the Fourth Proportional to 21,186,553.98, 31,780,126.22 and 6,040,485.48

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Solution

The fourth proportional to 21,186,553.98, 31,780,126.22 and 6,040,485.48 is: 9,060,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,186,553.98 : 31,780,126.22 = 6,040,485.48 : x
  2. Step 2: Convert to fraction form
    21,186,553.98/31,780,126.22 = 6,040,485.48/x
  3. Step 3: Cross multiply
    21,186,553.98x = 31,780,126.22 × 6,040,485.48
  4. Step 4: Simplify right side
    21,186,553.98x = 191,967,390,954,274.88
  5. Step 5: Solve for x
    x = 191,967,390,954,274.88/21,186,553.98
  6. Step 6: Final answer
    x = 9,060,812.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.