Home / 48,437,910.78-66,860,514.63-28,864,936.86

Finding the Fourth Proportional to 48,437,910.78, 66,860,514.63 and 28,864,936.86

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Solution

The fourth proportional to 48,437,910.78, 66,860,514.63 and 28,864,936.86 is: 39,843,265.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,437,910.78 : 66,860,514.63 = 28,864,936.86 : x
  2. Step 2: Convert to fraction form
    48,437,910.78/66,860,514.63 = 28,864,936.86/x
  3. Step 3: Cross multiply
    48,437,910.78x = 66,860,514.63 × 28,864,936.86
  4. Step 4: Simplify right side
    48,437,910.78x = 1,929,924,533,222,056.25
  5. Step 5: Solve for x
    x = 1,929,924,533,222,056.25/48,437,910.78
  6. Step 6: Final answer
    x = 39,843,265.37

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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.