Home / 18,519,412.20-25,558,358.25-10,262,064.63

Finding the Fourth Proportional to 18,519,412.20, 25,558,358.25 and 10,262,064.63

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Solution

The fourth proportional to 18,519,412.20, 25,558,358.25 and 10,262,064.63 is: 14,162,518.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,519,412.20 : 25,558,358.25 = 10,262,064.63 : x
  2. Step 2: Convert to fraction form
    18,519,412.20/25,558,358.25 = 10,262,064.63/x
  3. Step 3: Cross multiply
    18,519,412.20x = 25,558,358.25 × 10,262,064.63
  4. Step 4: Simplify right side
    18,519,412.20x = 262,281,524,198,193.72
  5. Step 5: Solve for x
    x = 262,281,524,198,193.72/18,519,412.20
  6. Step 6: Final answer
    x = 14,162,518.84

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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.