Home / 18,519,408.20-25,558,352.74-10,262,060.64

Finding the Fourth Proportional to 18,519,408.20, 25,558,352.74 and 10,262,060.64

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Solution

The fourth proportional to 18,519,408.20, 25,558,352.74 and 10,262,060.64 is: 14,162,513.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,519,408.20 : 25,558,352.74 = 10,262,060.64 : x
  2. Step 2: Convert to fraction form
    18,519,408.20/25,558,352.74 = 10,262,060.64/x
  3. Step 3: Cross multiply
    18,519,408.20x = 25,558,352.74 × 10,262,060.64
  4. Step 4: Simplify right side
    18,519,408.20x = 262,281,365,676,390.16
  5. Step 5: Solve for x
    x = 262,281,365,676,390.16/18,519,408.20
  6. Step 6: Final answer
    x = 14,162,513.34

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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.