Home / 12,538,893.76-18,810,111.84-4,017,236.80

Finding the Fourth Proportional to 12,538,893.76, 18,810,111.84 and 4,017,236.80

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Solution

The fourth proportional to 12,538,893.76, 18,810,111.84 and 4,017,236.80 is: 6,026,422.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,538,893.76 : 18,810,111.84 = 4,017,236.80 : x
  2. Step 2: Convert to fraction form
    12,538,893.76/18,810,111.84 = 4,017,236.80/x
  3. Step 3: Cross multiply
    12,538,893.76x = 18,810,111.84 × 4,017,236.80
  4. Step 4: Simplify right side
    12,538,893.76x = 75,564,673,495,763.70
  5. Step 5: Solve for x
    x = 75,564,673,495,763.70/12,538,893.76
  6. Step 6: Final answer
    x = 6,026,422.66

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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.