Home / 7,647,212.48-10,553,385.66-5,415,987.33

Finding the Fourth Proportional to 7,647,212.48, 10,553,385.66 and 5,415,987.33

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Solution

The fourth proportional to 7,647,212.48, 10,553,385.66 and 5,415,987.33 is: 7,474,227.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647,212.48 : 10,553,385.66 = 5,415,987.33 : x
  2. Step 2: Convert to fraction form
    7,647,212.48/10,553,385.66 = 5,415,987.33/x
  3. Step 3: Cross multiply
    7,647,212.48x = 10,553,385.66 × 5,415,987.33
  4. Step 4: Simplify right side
    7,647,212.48x = 57,157,003,023,163.69
  5. Step 5: Solve for x
    x = 57,157,003,023,163.69/7,647,212.48
  6. Step 6: Final answer
    x = 7,474,227.13

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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.