Home / 12,237,651.63-18,358,568.75-5,045,253.80

Finding the Fourth Proportional to 12,237,651.63, 18,358,568.75 and 5,045,253.80

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Solution

The fourth proportional to 12,237,651.63, 18,358,568.75 and 5,045,253.80 is: 7,568,742.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237,651.63 : 18,358,568.75 = 5,045,253.80 : x
  2. Step 2: Convert to fraction form
    12,237,651.63/18,358,568.75 = 5,045,253.80/x
  3. Step 3: Cross multiply
    12,237,651.63x = 18,358,568.75 × 5,045,253.80
  4. Step 4: Simplify right side
    12,237,651.63x = 92,623,638,669,319.05
  5. Step 5: Solve for x
    x = 92,623,638,669,319.05/12,237,651.63
  6. Step 6: Final answer
    x = 7,568,742.88

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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.