Home / 14,672,016.45-20,246,371.34-8,145,139.32

Finding the Fourth Proportional to 14,672,016.45, 20,246,371.34 and 8,145,139.32

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Solution

The fourth proportional to 14,672,016.45, 20,246,371.34 and 8,145,139.32 is: 11,239,730.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,672,016.45 : 20,246,371.34 = 8,145,139.32 : x
  2. Step 2: Convert to fraction form
    14,672,016.45/20,246,371.34 = 8,145,139.32/x
  3. Step 3: Cross multiply
    14,672,016.45x = 20,246,371.34 × 8,145,139.32
  4. Step 4: Simplify right side
    14,672,016.45x = 164,909,515,248,029.41
  5. Step 5: Solve for x
    x = 164,909,515,248,029.41/14,672,016.45
  6. Step 6: Final answer
    x = 11,239,730.80

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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.