Home / 18,438,871.87-25,444,976.20-10,178,756.83

Finding the Fourth Proportional to 18,438,871.87, 25,444,976.20 and 10,178,756.83

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Solution

The fourth proportional to 18,438,871.87, 25,444,976.20 and 10,178,756.83 is: 14,046,316.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438,871.87 : 25,444,976.20 = 10,178,756.83 : x
  2. Step 2: Convert to fraction form
    18,438,871.87/25,444,976.20 = 10,178,756.83/x
  3. Step 3: Cross multiply
    18,438,871.87x = 25,444,976.20 × 10,178,756.83
  4. Step 4: Simplify right side
    18,438,871.87x = 258,998,225,284,937.44
  5. Step 5: Solve for x
    x = 258,998,225,284,937.44/18,438,871.87
  6. Step 6: Final answer
    x = 14,046,316.23

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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.