Home / 28,029,125.20-42,043,687.80-7,558,805.20

Finding the Fourth Proportional to 28,029,125.20, 42,043,687.80 and 7,558,805.20

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Solution

The fourth proportional to 28,029,125.20, 42,043,687.80 and 7,558,805.20 is: 11,338,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,029,125.20 : 42,043,687.80 = 7,558,805.20 : x
  2. Step 2: Convert to fraction form
    28,029,125.20/42,043,687.80 = 7,558,805.20/x
  3. Step 3: Cross multiply
    28,029,125.20x = 42,043,687.80 × 7,558,805.20
  4. Step 4: Simplify right side
    28,029,125.20x = 317,800,045,969,816.56
  5. Step 5: Solve for x
    x = 317,800,045,969,816.56/28,029,125.20
  6. Step 6: Final answer
    x = 11,338,207.80

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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.