Home / 21,890,166.53-30,206,990.30-12,596,236.53

Finding the Fourth Proportional to 21,890,166.53, 30,206,990.30 and 12,596,236.53

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Solution

The fourth proportional to 21,890,166.53, 30,206,990.30 and 12,596,236.53 is: 17,381,978.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,890,166.53 : 30,206,990.30 = 12,596,236.53 : x
  2. Step 2: Convert to fraction form
    21,890,166.53/30,206,990.30 = 12,596,236.53/x
  3. Step 3: Cross multiply
    21,890,166.53x = 30,206,990.30 × 12,596,236.53
  4. Step 4: Simplify right side
    21,890,166.53x = 380,494,394,615,234.50
  5. Step 5: Solve for x
    x = 380,494,394,615,234.50/21,890,166.53
  6. Step 6: Final answer
    x = 17,381,978.08

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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.