Home / 18,637,708.88-27,958,476.22-7,132,853.87

Finding the Fourth Proportional to 18,637,708.88, 27,958,476.22 and 7,132,853.87

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Solution

The fourth proportional to 18,637,708.88, 27,958,476.22 and 7,132,853.87 is: 10,700,012.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,637,708.88 : 27,958,476.22 = 7,132,853.87 : x
  2. Step 2: Convert to fraction form
    18,637,708.88/27,958,476.22 = 7,132,853.87/x
  3. Step 3: Cross multiply
    18,637,708.88x = 27,958,476.22 × 7,132,853.87
  4. Step 4: Simplify right side
    18,637,708.88x = 199,423,725,305,129.97
  5. Step 5: Solve for x
    x = 199,423,725,305,129.97/18,637,708.88
  6. Step 6: Final answer
    x = 10,700,012.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.