Home / 18,246,453.21-25,179,080.94-9,986,498.67

Finding the Fourth Proportional to 18,246,453.21, 25,179,080.94 and 9,986,498.67

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Solution

The fourth proportional to 18,246,453.21, 25,179,080.94 and 9,986,498.67 is: 13,780,807.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,246,453.21 : 25,179,080.94 = 9,986,498.67 : x
  2. Step 2: Convert to fraction form
    18,246,453.21/25,179,080.94 = 9,986,498.67/x
  3. Step 3: Cross multiply
    18,246,453.21x = 25,179,080.94 × 9,986,498.67
  4. Step 4: Simplify right side
    18,246,453.21x = 251,450,858,319,132.38
  5. Step 5: Solve for x
    x = 251,450,858,319,132.38/18,246,453.21
  6. Step 6: Final answer
    x = 13,780,807.45

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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.