Home / 21,794,001.81-30,075,722.39-12,631,958.97

Finding the Fourth Proportional to 21,794,001.81, 30,075,722.39 and 12,631,958.97

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Solution

The fourth proportional to 21,794,001.81, 30,075,722.39 and 12,631,958.97 is: 17,432,103.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,794,001.81 : 30,075,722.39 = 12,631,958.97 : x
  2. Step 2: Convert to fraction form
    21,794,001.81/30,075,722.39 = 12,631,958.97/x
  3. Step 3: Cross multiply
    21,794,001.81x = 30,075,722.39 × 12,631,958.97
  4. Step 4: Simplify right side
    21,794,001.81x = 379,915,291,160,430.56
  5. Step 5: Solve for x
    x = 379,915,291,160,430.56/21,794,001.81
  6. Step 6: Final answer
    x = 17,432,103.31

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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.