Home / 21,495,742.92-29,662,780.50-11,837,950.92

Finding the Fourth Proportional to 21,495,742.92, 29,662,780.50 and 11,837,950.92

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Solution

The fourth proportional to 21,495,742.92, 29,662,780.50 and 11,837,950.92 is: 16,335,631.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,495,742.92 : 29,662,780.50 = 11,837,950.92 : x
  2. Step 2: Convert to fraction form
    21,495,742.92/29,662,780.50 = 11,837,950.92/x
  3. Step 3: Cross multiply
    21,495,742.92x = 29,662,780.50 × 11,837,950.92
  4. Step 4: Simplify right side
    21,495,742.92x = 351,146,539,709,733.06
  5. Step 5: Solve for x
    x = 351,146,539,709,733.06/21,495,742.92
  6. Step 6: Final answer
    x = 16,335,631.71

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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.