Home / 21,580,519.04-29,780,764-11,790,752.54

Finding the Fourth Proportional to 21,580,519.04, 29,780,764 and 11,790,752.54

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Solution

The fourth proportional to 21,580,519.04, 29,780,764 and 11,790,752.54 is: 16,271,046.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,580,519.04 : 29,780,764 = 11,790,752.54 : x
  2. Step 2: Convert to fraction form
    21,580,519.04/29,780,764 = 11,790,752.54/x
  3. Step 3: Cross multiply
    21,580,519.04x = 29,780,764 × 11,790,752.54
  4. Step 4: Simplify right side
    21,580,519.04x = 351,137,618,776,140.56
  5. Step 5: Solve for x
    x = 351,137,618,776,140.56/21,580,519.04
  6. Step 6: Final answer
    x = 16,271,046.04

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1.5x scale

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.