Home / 14,642,889.21-20,208,159.75-8,116,793.73

Finding the Fourth Proportional to 14,642,889.21, 20,208,159.75 and 8,116,793.73

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Solution

The fourth proportional to 14,642,889.21, 20,208,159.75 and 8,116,793.73 is: 11,201,714.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,642,889.21 : 20,208,159.75 = 8,116,793.73 : x
  2. Step 2: Convert to fraction form
    14,642,889.21/20,208,159.75 = 8,116,793.73/x
  3. Step 3: Cross multiply
    14,642,889.21x = 20,208,159.75 × 8,116,793.73
  4. Step 4: Simplify right side
    14,642,889.21x = 164,025,464,384,076.34
  5. Step 5: Solve for x
    x = 164,025,464,384,076.34/14,642,889.21
  6. Step 6: Final answer
    x = 11,201,714.50

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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.