Home / 28,775,996.01-43,194,721.37-12,389,395.50

Finding the Fourth Proportional to 28,775,996.01, 43,194,721.37 and 12,389,395.50

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Solution

The fourth proportional to 28,775,996.01, 43,194,721.37 and 12,389,395.50 is: 18,597,322.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,775,996.01 : 43,194,721.37 = 12,389,395.50 : x
  2. Step 2: Convert to fraction form
    28,775,996.01/43,194,721.37 = 12,389,395.50/x
  3. Step 3: Cross multiply
    28,775,996.01x = 43,194,721.37 × 12,389,395.50
  4. Step 4: Simplify right side
    28,775,996.01x = 535,156,486,503,284.88
  5. Step 5: Solve for x
    x = 535,156,486,503,284.88/28,775,996.01
  6. Step 6: Final answer
    x = 18,597,322.79

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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.