Home / 12,951,709.48-17,873,385.70-7,150,502.44

Finding the Fourth Proportional to 12,951,709.48, 17,873,385.70 and 7,150,502.44

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Solution

The fourth proportional to 12,951,709.48, 17,873,385.70 and 7,150,502.44 is: 9,867,708.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,951,709.48 : 17,873,385.70 = 7,150,502.44 : x
  2. Step 2: Convert to fraction form
    12,951,709.48/17,873,385.70 = 7,150,502.44/x
  3. Step 3: Cross multiply
    12,951,709.48x = 17,873,385.70 × 7,150,502.44
  4. Step 4: Simplify right side
    12,951,709.48x = 127,803,688,058,911.11
  5. Step 5: Solve for x
    x = 127,803,688,058,911.11/12,951,709.48
  6. Step 6: Final answer
    x = 9,867,708.06

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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.