Home / 21,896,940.72-30,215,647.68-12,106,044.28

Finding the Fourth Proportional to 21,896,940.72, 30,215,647.68 and 12,106,044.28

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Solution

The fourth proportional to 21,896,940.72, 30,215,647.68 and 12,106,044.28 is: 16,705,163.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,896,940.72 : 30,215,647.68 = 12,106,044.28 : x
  2. Step 2: Convert to fraction form
    21,896,940.72/30,215,647.68 = 12,106,044.28/x
  3. Step 3: Cross multiply
    21,896,940.72x = 30,215,647.68 × 12,106,044.28
  4. Step 4: Simplify right side
    21,896,940.72x = 365,791,968,762,959.25
  5. Step 5: Solve for x
    x = 365,791,968,762,959.25/21,896,940.72
  6. Step 6: Final answer
    x = 16,705,163.22

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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.