Home / 20,403,026.60-30,604,539.90-17,745,821.60

Finding the Fourth Proportional to 20,403,026.60, 30,604,539.90 and 17,745,821.60

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Solution

The fourth proportional to 20,403,026.60, 30,604,539.90 and 17,745,821.60 is: 26,618,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,403,026.60 : 30,604,539.90 = 17,745,821.60 : x
  2. Step 2: Convert to fraction form
    20,403,026.60/30,604,539.90 = 17,745,821.60/x
  3. Step 3: Cross multiply
    20,403,026.60x = 30,604,539.90 × 17,745,821.60
  4. Step 4: Simplify right side
    20,403,026.60x = 543,102,705,215,481.88
  5. Step 5: Solve for x
    x = 543,102,705,215,481.88/20,403,026.60
  6. Step 6: Final answer
    x = 26,618,732.40

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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.