Home / 8,251,111.86-12,379,201.74-3,938,664.98

Finding the Fourth Proportional to 8,251,111.86, 12,379,201.74 and 3,938,664.98

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Solution

The fourth proportional to 8,251,111.86, 12,379,201.74 and 3,938,664.98 is: 5,909,207.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251,111.86 : 12,379,201.74 = 3,938,664.98 : x
  2. Step 2: Convert to fraction form
    8,251,111.86/12,379,201.74 = 3,938,664.98/x
  3. Step 3: Cross multiply
    8,251,111.86x = 12,379,201.74 × 3,938,664.98
  4. Step 4: Simplify right side
    8,251,111.86x = 48,757,528,373,693.06
  5. Step 5: Solve for x
    x = 48,757,528,373,693.06/8,251,111.86
  6. Step 6: Final answer
    x = 5,909,207.05

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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.