Home / 12,655,826.76-17,466,460.44-7,149,556.31

Finding the Fourth Proportional to 12,655,826.76, 17,466,460.44 and 7,149,556.31

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Solution

The fourth proportional to 12,655,826.76, 17,466,460.44 and 7,149,556.31 is: 9,867,189.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,655,826.76 : 17,466,460.44 = 7,149,556.31 : x
  2. Step 2: Convert to fraction form
    12,655,826.76/17,466,460.44 = 7,149,556.31/x
  3. Step 3: Cross multiply
    12,655,826.76x = 17,466,460.44 × 7,149,556.31
  4. Step 4: Simplify right side
    12,655,826.76x = 124,877,442,507,736
  5. Step 5: Solve for x
    x = 124,877,442,507,736/12,655,826.76
  6. Step 6: Final answer
    x = 9,867,189.62

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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.