Home / 28,379,999.80-42,575,529.30-11,337,772.60

Finding the Fourth Proportional to 28,379,999.80, 42,575,529.30 and 11,337,772.60

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Solution

The fourth proportional to 28,379,999.80, 42,575,529.30 and 11,337,772.60 is: 17,008,867.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,379,999.80 : 42,575,529.30 = 11,337,772.60 : x
  2. Step 2: Convert to fraction form
    28,379,999.80/42,575,529.30 = 11,337,772.60/x
  3. Step 3: Cross multiply
    28,379,999.80x = 42,575,529.30 × 11,337,772.60
  4. Step 4: Simplify right side
    28,379,999.80x = 482,711,669,528,037.12
  5. Step 5: Solve for x
    x = 482,711,669,528,037.12/28,379,999.80
  6. Step 6: Final answer
    x = 17,008,867.97

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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.