Home / 21,756,770.56-30,024,909.66-11,967,466.96

Finding the Fourth Proportional to 21,756,770.56, 30,024,909.66 and 11,967,466.96

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Solution

The fourth proportional to 21,756,770.56, 30,024,909.66 and 11,967,466.96 is: 16,515,415.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,756,770.56 : 30,024,909.66 = 11,967,466.96 : x
  2. Step 2: Convert to fraction form
    21,756,770.56/30,024,909.66 = 11,967,466.96/x
  3. Step 3: Cross multiply
    21,756,770.56x = 30,024,909.66 × 11,967,466.96
  4. Step 4: Simplify right side
    21,756,770.56x = 359,322,114,333,034.88
  5. Step 5: Solve for x
    x = 359,322,114,333,034.88/21,756,770.56
  6. Step 6: Final answer
    x = 16,515,415.90

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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.