Home / 7,627,320.72-10,525,884.32-4,189,633.76

Finding the Fourth Proportional to 7,627,320.72, 10,525,884.32 and 4,189,633.76

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Solution

The fourth proportional to 7,627,320.72, 10,525,884.32 and 4,189,633.76 is: 5,781,794.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,627,320.72 : 10,525,884.32 = 4,189,633.76 : x
  2. Step 2: Convert to fraction form
    7,627,320.72/10,525,884.32 = 4,189,633.76/x
  3. Step 3: Cross multiply
    7,627,320.72x = 10,525,884.32 × 4,189,633.76
  4. Step 4: Simplify right side
    7,627,320.72x = 44,099,600,300,926.64
  5. Step 5: Solve for x
    x = 44,099,600,300,926.64/7,627,320.72
  6. Step 6: Final answer
    x = 5,781,794.41

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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.