Home / 39,597,465.51-54,644,620.11-21,957,610.77

Finding the Fourth Proportional to 39,597,465.51, 54,644,620.11 and 21,957,610.77

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Solution

The fourth proportional to 39,597,465.51, 54,644,620.11 and 21,957,610.77 is: 30,301,568.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,597,465.51 : 54,644,620.11 = 21,957,610.77 : x
  2. Step 2: Convert to fraction form
    39,597,465.51/54,644,620.11 = 21,957,610.77/x
  3. Step 3: Cross multiply
    39,597,465.51x = 54,644,620.11 × 21,957,610.77
  4. Step 4: Simplify right side
    39,597,465.51x = 1,199,865,299,049,894.50
  5. Step 5: Solve for x
    x = 1,199,865,299,049,894.50/39,597,465.51
  6. Step 6: Final answer
    x = 30,301,568.13

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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.