Home / 20,891,026.98-31,334,682.60-7,243,867.80

Finding the Fourth Proportional to 20,891,026.98, 31,334,682.60 and 7,243,867.80

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Solution

The fourth proportional to 20,891,026.98, 31,334,682.60 and 7,243,867.80 is: 10,865,157.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,891,026.98 : 31,334,682.60 = 7,243,867.80 : x
  2. Step 2: Convert to fraction form
    20,891,026.98/31,334,682.60 = 7,243,867.80/x
  3. Step 3: Cross multiply
    20,891,026.98x = 31,334,682.60 × 7,243,867.80
  4. Step 4: Simplify right side
    20,891,026.98x = 226,984,298,309,360.28
  5. Step 5: Solve for x
    x = 226,984,298,309,360.28/20,891,026.98
  6. Step 6: Final answer
    x = 10,865,157.49

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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.