Home / 28,029,269.70-42,043,904.55-27,840,312.90

Finding the Fourth Proportional to 28,029,269.70, 42,043,904.55 and 27,840,312.90

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Solution

The fourth proportional to 28,029,269.70, 42,043,904.55 and 27,840,312.90 is: 41,760,469.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,029,269.70 : 42,043,904.55 = 27,840,312.90 : x
  2. Step 2: Convert to fraction form
    28,029,269.70/42,043,904.55 = 27,840,312.90/x
  3. Step 3: Cross multiply
    28,029,269.70x = 42,043,904.55 × 27,840,312.90
  4. Step 4: Simplify right side
    28,029,269.70x = 1,170,515,458,209,733.50
  5. Step 5: Solve for x
    x = 1,170,515,458,209,733.50/28,029,269.70
  6. Step 6: Final answer
    x = 41,760,469.35

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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.