Home / 28,127,072.20-42,194,818.14-10,180,375.24

Finding the Fourth Proportional to 28,127,072.20, 42,194,818.14 and 10,180,375.24

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Solution

The fourth proportional to 28,127,072.20, 42,194,818.14 and 10,180,375.24 is: 15,272,086.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,127,072.20 : 42,194,818.14 = 10,180,375.24 : x
  2. Step 2: Convert to fraction form
    28,127,072.20/42,194,818.14 = 10,180,375.24/x
  3. Step 3: Cross multiply
    28,127,072.20x = 42,194,818.14 × 10,180,375.24
  4. Step 4: Simplify right side
    28,127,072.20x = 429,559,081,848,758.88
  5. Step 5: Solve for x
    x = 429,559,081,848,758.88/28,127,072.20
  6. Step 6: Final answer
    x = 15,272,086.58

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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.