Home / 18,146,781.80-27,220,172.70-16,579,140.20

Finding the Fourth Proportional to 18,146,781.80, 27,220,172.70 and 16,579,140.20

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Solution

The fourth proportional to 18,146,781.80, 27,220,172.70 and 16,579,140.20 is: 24,868,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146,781.80 : 27,220,172.70 = 16,579,140.20 : x
  2. Step 2: Convert to fraction form
    18,146,781.80/27,220,172.70 = 16,579,140.20/x
  3. Step 3: Cross multiply
    18,146,781.80x = 27,220,172.70 × 16,579,140.20
  4. Step 4: Simplify right side
    18,146,781.80x = 451,287,059,461,512.50
  5. Step 5: Solve for x
    x = 451,287,059,461,512.50/18,146,781.80
  6. Step 6: Final answer
    x = 24,868,710.30

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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.