Home / 20,335,729.98-28,063,312.89-11,043,297.57

Finding the Fourth Proportional to 20,335,729.98, 28,063,312.89 and 11,043,297.57

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Solution

The fourth proportional to 20,335,729.98, 28,063,312.89 and 11,043,297.57 is: 15,239,753.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,335,729.98 : 28,063,312.89 = 11,043,297.57 : x
  2. Step 2: Convert to fraction form
    20,335,729.98/28,063,312.89 = 11,043,297.57/x
  3. Step 3: Cross multiply
    20,335,729.98x = 28,063,312.89 × 11,043,297.57
  4. Step 4: Simplify right side
    20,335,729.98x = 309,911,515,044,286.69
  5. Step 5: Solve for x
    x = 309,911,515,044,286.69/20,335,729.98
  6. Step 6: Final answer
    x = 15,239,753.64

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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.