Home / 14,952,171.21-20,634,005.31-8,076,656.31

Finding the Fourth Proportional to 14,952,171.21, 20,634,005.31 and 8,076,656.31

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Solution

The fourth proportional to 14,952,171.21, 20,634,005.31 and 8,076,656.31 is: 11,145,790.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,952,171.21 : 20,634,005.31 = 8,076,656.31 : x
  2. Step 2: Convert to fraction form
    14,952,171.21/20,634,005.31 = 8,076,656.31/x
  3. Step 3: Cross multiply
    14,952,171.21x = 20,634,005.31 × 8,076,656.31
  4. Step 4: Simplify right side
    14,952,171.21x = 166,653,769,044,031.69
  5. Step 5: Solve for x
    x = 166,653,769,044,031.69/14,952,171.21
  6. Step 6: Final answer
    x = 11,145,790.59

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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.