Home / 18,469,101.76-25,486,871.52-10,320,406.72

Finding the Fourth Proportional to 18,469,101.76, 25,486,871.52 and 10,320,406.72

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Solution

The fourth proportional to 18,469,101.76, 25,486,871.52 and 10,320,406.72 is: 14,241,888.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,469,101.76 : 25,486,871.52 = 10,320,406.72 : x
  2. Step 2: Convert to fraction form
    18,469,101.76/25,486,871.52 = 10,320,406.72/x
  3. Step 3: Cross multiply
    18,469,101.76x = 25,486,871.52 × 10,320,406.72
  4. Step 4: Simplify right side
    18,469,101.76x = 263,034,880,106,784.62
  5. Step 5: Solve for x
    x = 263,034,880,106,784.62/18,469,101.76
  6. Step 6: Final answer
    x = 14,241,888.07

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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.