Home / 12,289,296.21-18,436,322.48-4,715,673.09

Finding the Fourth Proportional to 12,289,296.21, 18,436,322.48 and 4,715,673.09

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Solution

The fourth proportional to 12,289,296.21, 18,436,322.48 and 4,715,673.09 is: 7,074,422.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,289,296.21 : 18,436,322.48 = 4,715,673.09 : x
  2. Step 2: Convert to fraction form
    12,289,296.21/18,436,322.48 = 4,715,673.09/x
  3. Step 3: Cross multiply
    12,289,296.21x = 18,436,322.48 × 4,715,673.09
  4. Step 4: Simplify right side
    12,289,296.21x = 86,939,669,773,919.70
  5. Step 5: Solve for x
    x = 86,939,669,773,919.70/12,289,296.21
  6. Step 6: Final answer
    x = 7,074,422.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.