Home / 14,919,276.42-20,588,571.09-8,392,910.58

Finding the Fourth Proportional to 14,919,276.42, 20,588,571.09 and 8,392,910.58

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Solution

The fourth proportional to 14,919,276.42, 20,588,571.09 and 8,392,910.58 is: 11,582,199.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,919,276.42 : 20,588,571.09 = 8,392,910.58 : x
  2. Step 2: Convert to fraction form
    14,919,276.42/20,588,571.09 = 8,392,910.58/x
  3. Step 3: Cross multiply
    14,919,276.42x = 20,588,571.09 × 8,392,910.58
  4. Step 4: Simplify right side
    14,919,276.42x = 172,798,036,128,343.12
  5. Step 5: Solve for x
    x = 172,798,036,128,343.12/14,919,276.42
  6. Step 6: Final answer
    x = 11,582,199.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.