Home / 18,493,670.80-27,740,506.20-12,447,053.20

Finding the Fourth Proportional to 18,493,670.80, 27,740,506.20 and 12,447,053.20

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Solution

The fourth proportional to 18,493,670.80, 27,740,506.20 and 12,447,053.20 is: 18,670,579.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,493,670.80 : 27,740,506.20 = 12,447,053.20 : x
  2. Step 2: Convert to fraction form
    18,493,670.80/27,740,506.20 = 12,447,053.20/x
  3. Step 3: Cross multiply
    18,493,670.80x = 27,740,506.20 × 12,447,053.20
  4. Step 4: Simplify right side
    18,493,670.80x = 345,287,556,466,329.81
  5. Step 5: Solve for x
    x = 345,287,556,466,329.81/18,493,670.80
  6. Step 6: Final answer
    x = 18,670,579.80

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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.