Home / 16,638,273.60-24,976,072.80-12,868,468.80

Finding the Fourth Proportional to 16,638,273.60, 24,976,072.80 and 12,868,468.80

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Solution

The fourth proportional to 16,638,273.60, 24,976,072.80 and 12,868,468.80 is: 19,317,137.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,638,273.60 : 24,976,072.80 = 12,868,468.80 : x
  2. Step 2: Convert to fraction form
    16,638,273.60/24,976,072.80 = 12,868,468.80/x
  3. Step 3: Cross multiply
    16,638,273.60x = 24,976,072.80 × 12,868,468.80
  4. Step 4: Simplify right side
    16,638,273.60x = 321,403,813,573,328.69
  5. Step 5: Solve for x
    x = 321,403,813,573,328.69/16,638,273.60
  6. Step 6: Final answer
    x = 19,317,137.18

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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.