Home / 12,725,887-17,561,576.44-6,924,568.79

Finding the Fourth Proportional to 12,725,887, 17,561,576.44 and 6,924,568.79

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Solution

The fourth proportional to 12,725,887, 17,561,576.44 and 6,924,568.79 is: 9,555,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725,887 : 17,561,576.44 = 6,924,568.79 : x
  2. Step 2: Convert to fraction form
    12,725,887/17,561,576.44 = 6,924,568.79/x
  3. Step 3: Cross multiply
    12,725,887x = 17,561,576.44 × 6,924,568.79
  4. Step 4: Simplify right side
    12,725,887x = 121,606,344,058,407.94
  5. Step 5: Solve for x
    x = 121,606,344,058,407.94/12,725,887
  6. Step 6: Final answer
    x = 9,555,824.60

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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.