Home / 13,612,073.40-20,418,110.10-12,950,724.60

Finding the Fourth Proportional to 13,612,073.40, 20,418,110.10 and 12,950,724.60

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Solution

The fourth proportional to 13,612,073.40, 20,418,110.10 and 12,950,724.60 is: 19,426,086.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612,073.40 : 20,418,110.10 = 12,950,724.60 : x
  2. Step 2: Convert to fraction form
    13,612,073.40/20,418,110.10 = 12,950,724.60/x
  3. Step 3: Cross multiply
    13,612,073.40x = 20,418,110.10 × 12,950,724.60
  4. Step 4: Simplify right side
    13,612,073.40x = 264,429,320,757,578.47
  5. Step 5: Solve for x
    x = 264,429,320,757,578.47/13,612,073.40
  6. Step 6: Final answer
    x = 19,426,086.90

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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.