Home / 20,188,841.06-27,860,458.94-11,021,483.82

Finding the Fourth Proportional to 20,188,841.06, 27,860,458.94 and 11,021,483.82

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Solution

The fourth proportional to 20,188,841.06, 27,860,458.94 and 11,021,483.82 is: 15,209,570.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,188,841.06 : 27,860,458.94 = 11,021,483.82 : x
  2. Step 2: Convert to fraction form
    20,188,841.06/27,860,458.94 = 11,021,483.82/x
  3. Step 3: Cross multiply
    20,188,841.06x = 27,860,458.94 × 11,021,483.82
  4. Step 4: Simplify right side
    20,188,841.06x = 307,063,597,424,984.38
  5. Step 5: Solve for x
    x = 307,063,597,424,984.38/20,188,841.06
  6. Step 6: Final answer
    x = 15,209,570.30

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1.5x scale

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.