Home / 18,712,558.48-25,825,571.40-11,371,591.12

Finding the Fourth Proportional to 18,712,558.48, 25,825,571.40 and 11,371,591.12

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Solution

The fourth proportional to 18,712,558.48, 25,825,571.40 and 11,371,591.12 is: 15,694,157.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,712,558.48 : 25,825,571.40 = 11,371,591.12 : x
  2. Step 2: Convert to fraction form
    18,712,558.48/25,825,571.40 = 11,371,591.12/x
  3. Step 3: Cross multiply
    18,712,558.48x = 25,825,571.40 × 11,371,591.12
  4. Step 4: Simplify right side
    18,712,558.48x = 293,677,838,401,165.94
  5. Step 5: Solve for x
    x = 293,677,838,401,165.94/18,712,558.48
  6. Step 6: Final answer
    x = 15,694,157.41

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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.