Home / 18,451,424.56-25,462,813.86-10,078,801.24

Finding the Fourth Proportional to 18,451,424.56, 25,462,813.86 and 10,078,801.24

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Solution

The fourth proportional to 18,451,424.56, 25,462,813.86 and 10,078,801.24 is: 13,908,662.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451,424.56 : 25,462,813.86 = 10,078,801.24 : x
  2. Step 2: Convert to fraction form
    18,451,424.56/25,462,813.86 = 10,078,801.24/x
  3. Step 3: Cross multiply
    18,451,424.56x = 25,462,813.86 × 10,078,801.24
  4. Step 4: Simplify right side
    18,451,424.56x = 256,634,639,906,057.19
  5. Step 5: Solve for x
    x = 256,634,639,906,057.19/18,451,424.56
  6. Step 6: Final answer
    x = 13,908,662.67

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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.