Home / 18,946,363.80-28,377,555.30-14,672,674.20

Finding the Fourth Proportional to 18,946,363.80, 28,377,555.30 and 14,672,674.20

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Solution

The fourth proportional to 18,946,363.80, 28,377,555.30 and 14,672,674.20 is: 21,976,492.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,946,363.80 : 28,377,555.30 = 14,672,674.20 : x
  2. Step 2: Convert to fraction form
    18,946,363.80/28,377,555.30 = 14,672,674.20/x
  3. Step 3: Cross multiply
    18,946,363.80x = 28,377,555.30 × 14,672,674.20
  4. Step 4: Simplify right side
    18,946,363.80x = 416,374,623,509,383.25
  5. Step 5: Solve for x
    x = 416,374,623,509,383.25/18,946,363.80
  6. Step 6: Final answer
    x = 21,976,492.58

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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.