Home / 20,824,265.80-31,241,064.30-8,043,632.20

Finding the Fourth Proportional to 20,824,265.80, 31,241,064.30 and 8,043,632.20

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Solution

The fourth proportional to 20,824,265.80, 31,241,064.30 and 8,043,632.20 is: 12,067,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,824,265.80 : 31,241,064.30 = 8,043,632.20 : x
  2. Step 2: Convert to fraction form
    20,824,265.80/31,241,064.30 = 8,043,632.20/x
  3. Step 3: Cross multiply
    20,824,265.80x = 31,241,064.30 × 8,043,632.20
  4. Step 4: Simplify right side
    20,824,265.80x = 251,291,630,765,750.47
  5. Step 5: Solve for x
    x = 251,291,630,765,750.47/20,824,265.80
  6. Step 6: Final answer
    x = 12,067,250.45

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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.