Home / 12,669,261.90-19,003,892.85-11,074,938.90

Finding the Fourth Proportional to 12,669,261.90, 19,003,892.85 and 11,074,938.90

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Solution

The fourth proportional to 12,669,261.90, 19,003,892.85 and 11,074,938.90 is: 16,612,408.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,669,261.90 : 19,003,892.85 = 11,074,938.90 : x
  2. Step 2: Convert to fraction form
    12,669,261.90/19,003,892.85 = 11,074,938.90/x
  3. Step 3: Cross multiply
    12,669,261.90x = 19,003,892.85 × 11,074,938.90
  4. Step 4: Simplify right side
    12,669,261.90x = 210,466,952,175,896.88
  5. Step 5: Solve for x
    x = 210,466,952,175,896.88/12,669,261.90
  6. Step 6: Final answer
    x = 16,612,408.35

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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.