Home / 28,815,181.70-43,225,799.64-9,385,921.80

Finding the Fourth Proportional to 28,815,181.70, 43,225,799.64 and 9,385,921.80

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Solution

The fourth proportional to 28,815,181.70, 43,225,799.64 and 9,385,921.80 is: 14,079,868.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,815,181.70 : 43,225,799.64 = 9,385,921.80 : x
  2. Step 2: Convert to fraction form
    28,815,181.70/43,225,799.64 = 9,385,921.80/x
  3. Step 3: Cross multiply
    28,815,181.70x = 43,225,799.64 × 9,385,921.80
  4. Step 4: Simplify right side
    28,815,181.70x = 405,713,975,163,508.19
  5. Step 5: Solve for x
    x = 405,713,975,163,508.19/28,815,181.70
  6. Step 6: Final answer
    x = 14,079,868.71

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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.