Home / 28,213,965.12-42,339,821.49-10,263,069.12

Finding the Fourth Proportional to 28,213,965.12, 42,339,821.49 and 10,263,069.12

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Solution

The fourth proportional to 28,213,965.12, 42,339,821.49 and 10,263,069.12 is: 15,401,469.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,213,965.12 : 42,339,821.49 = 10,263,069.12 : x
  2. Step 2: Convert to fraction form
    28,213,965.12/42,339,821.49 = 10,263,069.12/x
  3. Step 3: Cross multiply
    28,213,965.12x = 42,339,821.49 × 10,263,069.12
  4. Step 4: Simplify right side
    28,213,965.12x = 434,536,514,480,331.38
  5. Step 5: Solve for x
    x = 434,536,514,480,331.38/28,213,965.12
  6. Step 6: Final answer
    x = 15,401,469.19

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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.