Home / 28,929,729.06-43,401,221.10-12,537,764.96

Finding the Fourth Proportional to 28,929,729.06, 43,401,221.10 and 12,537,764.96

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Solution

The fourth proportional to 28,929,729.06, 43,401,221.10 and 12,537,764.96 is: 18,809,519.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,929,729.06 : 43,401,221.10 = 12,537,764.96 : x
  2. Step 2: Convert to fraction form
    28,929,729.06/43,401,221.10 = 12,537,764.96/x
  3. Step 3: Cross multiply
    28,929,729.06x = 43,401,221.10 × 12,537,764.96
  4. Step 4: Simplify right side
    28,929,729.06x = 544,154,308,911,786.56
  5. Step 5: Solve for x
    x = 544,154,308,911,786.56/28,929,729.06
  6. Step 6: Final answer
    x = 18,809,519.71

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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.