Home / 21,091,609.64-31,637,414.46-20,014,555.88

Finding the Fourth Proportional to 21,091,609.64, 31,637,414.46 and 20,014,555.88

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Solution

The fourth proportional to 21,091,609.64, 31,637,414.46 and 20,014,555.88 is: 30,021,833.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,091,609.64 : 31,637,414.46 = 20,014,555.88 : x
  2. Step 2: Convert to fraction form
    21,091,609.64/31,637,414.46 = 20,014,555.88/x
  3. Step 3: Cross multiply
    21,091,609.64x = 31,637,414.46 × 20,014,555.88
  4. Step 4: Simplify right side
    21,091,609.64x = 633,208,799,608,390
  5. Step 5: Solve for x
    x = 633,208,799,608,390/21,091,609.64
  6. Step 6: Final answer
    x = 30,021,833.82

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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.