Home / 13,309,254.36-18,366,826.26-7,197,682.92

Finding the Fourth Proportional to 13,309,254.36, 18,366,826.26 and 7,197,682.92

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Solution

The fourth proportional to 13,309,254.36, 18,366,826.26 and 7,197,682.92 is: 9,932,832.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,254.36 : 18,366,826.26 = 7,197,682.92 : x
  2. Step 2: Convert to fraction form
    13,309,254.36/18,366,826.26 = 7,197,682.92/x
  3. Step 3: Cross multiply
    13,309,254.36x = 18,366,826.26 × 7,197,682.92
  4. Step 4: Simplify right side
    13,309,254.36x = 132,198,591,666,209.48
  5. Step 5: Solve for x
    x = 132,198,591,666,209.48/13,309,254.36
  6. Step 6: Final answer
    x = 9,932,832.31

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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.