Home / 13,029,789.06-17,973,638.31-8,126,498.46

Finding the Fourth Proportional to 13,029,789.06, 17,973,638.31 and 8,126,498.46

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Solution

The fourth proportional to 13,029,789.06, 17,973,638.31 and 8,126,498.46 is: 11,209,908.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029,789.06 : 17,973,638.31 = 8,126,498.46 : x
  2. Step 2: Convert to fraction form
    13,029,789.06/17,973,638.31 = 8,126,498.46/x
  3. Step 3: Cross multiply
    13,029,789.06x = 17,973,638.31 × 8,126,498.46
  4. Step 4: Simplify right side
    13,029,789.06x = 146,062,744,046,812
  5. Step 5: Solve for x
    x = 146,062,744,046,812/13,029,789.06
  6. Step 6: Final answer
    x = 11,209,908.57

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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.