Home / 21,504,101.82-32,272,216.84-14,571,142.40

Finding the Fourth Proportional to 21,504,101.82, 32,272,216.84 and 14,571,142.40

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Solution

The fourth proportional to 21,504,101.82, 32,272,216.84 and 14,571,142.40 is: 21,867,598.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,504,101.82 : 32,272,216.84 = 14,571,142.40 : x
  2. Step 2: Convert to fraction form
    21,504,101.82/32,272,216.84 = 14,571,142.40/x
  3. Step 3: Cross multiply
    21,504,101.82x = 32,272,216.84 × 14,571,142.40
  4. Step 4: Simplify right side
    21,504,101.82x = 470,243,067,139,318
  5. Step 5: Solve for x
    x = 470,243,067,139,318/21,504,101.82
  6. Step 6: Final answer
    x = 21,867,598.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.