Home / 14,672,018.95-20,246,374.78-8,145,141.82

Finding the Fourth Proportional to 14,672,018.95, 20,246,374.78 and 8,145,141.82

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Solution

The fourth proportional to 14,672,018.95, 20,246,374.78 and 8,145,141.82 is: 11,239,734.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,672,018.95 : 20,246,374.78 = 8,145,141.82 : x
  2. Step 2: Convert to fraction form
    14,672,018.95/20,246,374.78 = 8,145,141.82/x
  3. Step 3: Cross multiply
    14,672,018.95x = 20,246,374.78 × 8,145,141.82
  4. Step 4: Simplify right side
    14,672,018.95x = 164,909,593,923,971.31
  5. Step 5: Solve for x
    x = 164,909,593,923,971.31/14,672,018.95
  6. Step 6: Final answer
    x = 11,239,734.25

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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.