Home / 37,718,992.80-52,056,525.60-20,975,402.88

Finding the Fourth Proportional to 37,718,992.80, 52,056,525.60 and 20,975,402.88

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Solution

The fourth proportional to 37,718,992.80, 52,056,525.60 and 20,975,402.88 is: 28,948,455.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,718,992.80 : 52,056,525.60 = 20,975,402.88 : x
  2. Step 2: Convert to fraction form
    37,718,992.80/52,056,525.60 = 20,975,402.88/x
  3. Step 3: Cross multiply
    37,718,992.80x = 52,056,525.60 × 20,975,402.88
  4. Step 4: Simplify right side
    37,718,992.80x = 1,091,906,596,993,033.75
  5. Step 5: Solve for x
    x = 1,091,906,596,993,033.75/37,718,992.80
  6. Step 6: Final answer
    x = 28,948,455.83

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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.