Home / 13,888,090.33-20,747,666.19-8,990,498.15

Finding the Fourth Proportional to 13,888,090.33, 20,747,666.19 and 8,990,498.15

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Solution

The fourth proportional to 13,888,090.33, 20,747,666.19 and 8,990,498.15 is: 13,431,065.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888,090.33 : 20,747,666.19 = 8,990,498.15 : x
  2. Step 2: Convert to fraction form
    13,888,090.33/20,747,666.19 = 8,990,498.15/x
  3. Step 3: Cross multiply
    13,888,090.33x = 20,747,666.19 × 8,990,498.15
  4. Step 4: Simplify right side
    13,888,090.33x = 186,531,854,394,274.22
  5. Step 5: Solve for x
    x = 186,531,854,394,274.22/13,888,090.33
  6. Step 6: Final answer
    x = 13,431,065.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.