Home / 12,086,366.88-18,117,425.79-5,613,985.50

Finding the Fourth Proportional to 12,086,366.88, 18,117,425.79 and 5,613,985.50

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Solution

The fourth proportional to 12,086,366.88, 18,117,425.79 and 5,613,985.50 is: 8,415,346.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,086,366.88 : 18,117,425.79 = 5,613,985.50 : x
  2. Step 2: Convert to fraction form
    12,086,366.88/18,117,425.79 = 5,613,985.50/x
  3. Step 3: Cross multiply
    12,086,366.88x = 18,117,425.79 × 5,613,985.50
  4. Step 4: Simplify right side
    12,086,366.88x = 101,710,965,682,386.05
  5. Step 5: Solve for x
    x = 101,710,965,682,386.05/12,086,366.88
  6. Step 6: Final answer
    x = 8,415,346.54

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1.5x scale

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.