Home / 28,815,182.20-43,225,800.40-9,385,922.28

Finding the Fourth Proportional to 28,815,182.20, 43,225,800.40 and 9,385,922.28

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Solution

The fourth proportional to 28,815,182.20, 43,225,800.40 and 9,385,922.28 is: 14,079,869.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,815,182.20 : 43,225,800.40 = 9,385,922.28 : x
  2. Step 2: Convert to fraction form
    28,815,182.20/43,225,800.40 = 9,385,922.28/x
  3. Step 3: Cross multiply
    28,815,182.20x = 43,225,800.40 × 9,385,922.28
  4. Step 4: Simplify right side
    28,815,182.20x = 405,714,003,045,192.88
  5. Step 5: Solve for x
    x = 405,714,003,045,192.88/28,815,182.20
  6. Step 6: Final answer
    x = 14,079,869.43

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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.