Home / 21,495,682.87-29,662,698.67-11,837,890.87

Finding the Fourth Proportional to 21,495,682.87, 29,662,698.67 and 11,837,890.87

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Solution

The fourth proportional to 21,495,682.87, 29,662,698.67 and 11,837,890.87 is: 16,335,549.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,495,682.87 : 29,662,698.67 = 11,837,890.87 : x
  2. Step 2: Convert to fraction form
    21,495,682.87/29,662,698.67 = 11,837,890.87/x
  3. Step 3: Cross multiply
    21,495,682.87x = 29,662,698.67 × 11,837,890.87
  4. Step 4: Simplify right side
    21,495,682.87x = 351,143,789,839,310.94
  5. Step 5: Solve for x
    x = 351,143,789,839,310.94/21,495,682.87
  6. Step 6: Final answer
    x = 16,335,549.42

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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.