Home / 14,346,412.20-21,561,608.70-12,498,834.60

Finding the Fourth Proportional to 14,346,412.20, 21,561,608.70 and 12,498,834.60

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Solution

The fourth proportional to 14,346,412.20, 21,561,608.70 and 12,498,834.60 is: 18,784,834.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,346,412.20 : 21,561,608.70 = 12,498,834.60 : x
  2. Step 2: Convert to fraction form
    14,346,412.20/21,561,608.70 = 12,498,834.60/x
  3. Step 3: Cross multiply
    14,346,412.20x = 21,561,608.70 × 12,498,834.60
  4. Step 4: Simplify right side
    14,346,412.20x = 269,494,980,851,221
  5. Step 5: Solve for x
    x = 269,494,980,851,221/14,346,412.20
  6. Step 6: Final answer
    x = 18,784,834.64

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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.