Home / 21,505,842.12-29,670,277.11-14,067,749.87

Finding the Fourth Proportional to 21,505,842.12, 29,670,277.11 and 14,067,749.87

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Solution

The fourth proportional to 21,505,842.12, 29,670,277.11 and 14,067,749.87 is: 19,408,402.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505,842.12 : 29,670,277.11 = 14,067,749.87 : x
  2. Step 2: Convert to fraction form
    21,505,842.12/29,670,277.11 = 14,067,749.87/x
  3. Step 3: Cross multiply
    21,505,842.12x = 29,670,277.11 × 14,067,749.87
  4. Step 4: Simplify right side
    21,505,842.12x = 417,394,036,738,376.38
  5. Step 5: Solve for x
    x = 417,394,036,738,376.38/21,505,842.12
  6. Step 6: Final answer
    x = 19,408,402.35

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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.