Home / 18,241,815.81-25,172,598.15-10,400,231.62

Finding the Fourth Proportional to 18,241,815.81, 25,172,598.15 and 10,400,231.62

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Solution

The fourth proportional to 18,241,815.81, 25,172,598.15 and 10,400,231.62 is: 14,351,688.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,241,815.81 : 25,172,598.15 = 10,400,231.62 : x
  2. Step 2: Convert to fraction form
    18,241,815.81/25,172,598.15 = 10,400,231.62/x
  3. Step 3: Cross multiply
    18,241,815.81x = 25,172,598.15 × 10,400,231.62
  4. Step 4: Simplify right side
    18,241,815.81x = 261,800,851,237,183.47
  5. Step 5: Solve for x
    x = 261,800,851,237,183.47/18,241,815.81
  6. Step 6: Final answer
    x = 14,351,688.12

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1.5x scale

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.