Home / 19,043,045.22-28,555,563.11-7,376,880.54

Finding the Fourth Proportional to 19,043,045.22, 28,555,563.11 and 7,376,880.54

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Solution

The fourth proportional to 19,043,045.22, 28,555,563.11 and 7,376,880.54 is: 11,061,832.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043,045.22 : 28,555,563.11 = 7,376,880.54 : x
  2. Step 2: Convert to fraction form
    19,043,045.22/28,555,563.11 = 7,376,880.54/x
  3. Step 3: Cross multiply
    19,043,045.22x = 28,555,563.11 × 7,376,880.54
  4. Step 4: Simplify right side
    19,043,045.22x = 210,650,977,814,900.88
  5. Step 5: Solve for x
    x = 210,650,977,814,900.88/19,043,045.22
  6. Step 6: Final answer
    x = 11,061,832.57

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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.