Home / 28,125,434.43-38,819,170.26-17,115,731.37

Finding the Fourth Proportional to 28,125,434.43, 38,819,170.26 and 17,115,731.37

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Solution

The fourth proportional to 28,125,434.43, 38,819,170.26 and 17,115,731.37 is: 23,623,403.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,125,434.43 : 38,819,170.26 = 17,115,731.37 : x
  2. Step 2: Convert to fraction form
    28,125,434.43/38,819,170.26 = 17,115,731.37/x
  3. Step 3: Cross multiply
    28,125,434.43x = 38,819,170.26 × 17,115,731.37
  4. Step 4: Simplify right side
    28,125,434.43x = 664,418,490,176,453
  5. Step 5: Solve for x
    x = 664,418,490,176,453/28,125,434.43
  6. Step 6: Final answer
    x = 23,623,403.64

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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.