Home / 28,461,383.92-39,276,723.72-15,408,645.04

Finding the Fourth Proportional to 28,461,383.92, 39,276,723.72 and 15,408,645.04

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Solution

The fourth proportional to 28,461,383.92, 39,276,723.72 and 15,408,645.04 is: 21,263,937.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,461,383.92 : 39,276,723.72 = 15,408,645.04 : x
  2. Step 2: Convert to fraction form
    28,461,383.92/39,276,723.72 = 15,408,645.04/x
  3. Step 3: Cross multiply
    28,461,383.92x = 39,276,723.72 × 15,408,645.04
  4. Step 4: Simplify right side
    28,461,383.92x = 605,201,094,135,628.25
  5. Step 5: Solve for x
    x = 605,201,094,135,628.25/28,461,383.92
  6. Step 6: Final answer
    x = 21,263,937.69

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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.