Home / 20,292,292.41-30,442,418.96-7,512,907.83

Finding the Fourth Proportional to 20,292,292.41, 30,442,418.96 and 7,512,907.83

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Solution

The fourth proportional to 20,292,292.41, 30,442,418.96 and 7,512,907.83 is: 11,270,835.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,292,292.41 : 30,442,418.96 = 7,512,907.83 : x
  2. Step 2: Convert to fraction form
    20,292,292.41/30,442,418.96 = 7,512,907.83/x
  3. Step 3: Cross multiply
    20,292,292.41x = 30,442,418.96 × 7,512,907.83
  4. Step 4: Simplify right side
    20,292,292.41x = 228,711,087,731,159.91
  5. Step 5: Solve for x
    x = 228,711,087,731,159.91/20,292,292.41
  6. Step 6: Final answer
    x = 11,270,835.40

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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.