Home / 28,469,148.40-42,703,722.60-27,146,450.80

Finding the Fourth Proportional to 28,469,148.40, 42,703,722.60 and 27,146,450.80

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Solution

The fourth proportional to 28,469,148.40, 42,703,722.60 and 27,146,450.80 is: 40,719,676.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,469,148.40 : 42,703,722.60 = 27,146,450.80 : x
  2. Step 2: Convert to fraction form
    28,469,148.40/42,703,722.60 = 27,146,450.80/x
  3. Step 3: Cross multiply
    28,469,148.40x = 42,703,722.60 × 27,146,450.80
  4. Step 4: Simplify right side
    28,469,148.40x = 1,159,254,504,537,748.25
  5. Step 5: Solve for x
    x = 1,159,254,504,537,748.25/28,469,148.40
  6. Step 6: Final answer
    x = 40,719,676.20

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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.