Home / 14,198,556.60-21,266,342.10-12,308,988.60

Finding the Fourth Proportional to 14,198,556.60, 21,266,342.10 and 12,308,988.60

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Solution

The fourth proportional to 14,198,556.60, 21,266,342.10 and 12,308,988.60 is: 18,436,181.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,198,556.60 : 21,266,342.10 = 12,308,988.60 : x
  2. Step 2: Convert to fraction form
    14,198,556.60/21,266,342.10 = 12,308,988.60/x
  3. Step 3: Cross multiply
    14,198,556.60x = 21,266,342.10 × 12,308,988.60
  4. Step 4: Simplify right side
    14,198,556.60x = 261,767,162,472,600.06
  5. Step 5: Solve for x
    x = 261,767,162,472,600.06/14,198,556.60
  6. Step 6: Final answer
    x = 18,436,181.22

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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.