Home / 14,346,493.20-21,561,730.20-12,498,915.60

Finding the Fourth Proportional to 14,346,493.20, 21,561,730.20 and 12,498,915.60

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Solution

The fourth proportional to 14,346,493.20, 21,561,730.20 and 12,498,915.60 is: 18,784,956.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,346,493.20 : 21,561,730.20 = 12,498,915.60 : x
  2. Step 2: Convert to fraction form
    14,346,493.20/21,561,730.20 = 12,498,915.60/x
  3. Step 3: Cross multiply
    14,346,493.20x = 21,561,730.20 × 12,498,915.60
  4. Step 4: Simplify right side
    14,346,493.20x = 269,498,245,959,771.09
  5. Step 5: Solve for x
    x = 269,498,245,959,771.09/14,346,493.20
  6. Step 6: Final answer
    x = 18,784,956.17

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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.