Home / 31,302,453.42-46,930,979.72-21,041,863.92

Finding the Fourth Proportional to 31,302,453.42, 46,930,979.72 and 21,041,863.92

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Solution

The fourth proportional to 31,302,453.42, 46,930,979.72 and 21,041,863.92 is: 31,547,536.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,302,453.42 : 46,930,979.72 = 21,041,863.92 : x
  2. Step 2: Convert to fraction form
    31,302,453.42/46,930,979.72 = 21,041,863.92/x
  3. Step 3: Cross multiply
    31,302,453.42x = 46,930,979.72 × 21,041,863.92
  4. Step 4: Simplify right side
    31,302,453.42x = 987,515,288,795,310.50
  5. Step 5: Solve for x
    x = 987,515,288,795,310.50/31,302,453.42
  6. Step 6: Final answer
    x = 31,547,536.40

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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.