Home / 14,951,938.75-20,633,672.29-8,076,420.88

Finding the Fourth Proportional to 14,951,938.75, 20,633,672.29 and 8,076,420.88

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Solution

The fourth proportional to 14,951,938.75, 20,633,672.29 and 8,076,420.88 is: 11,145,459.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,951,938.75 : 20,633,672.29 = 8,076,420.88 : x
  2. Step 2: Convert to fraction form
    14,951,938.75/20,633,672.29 = 8,076,420.88/x
  3. Step 3: Cross multiply
    14,951,938.75x = 20,633,672.29 × 8,076,420.88
  4. Step 4: Simplify right side
    14,951,938.75x = 166,646,221,714,033.41
  5. Step 5: Solve for x
    x = 166,646,221,714,033.41/14,951,938.75
  6. Step 6: Final answer
    x = 11,145,459.09

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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.