Home / 28,469,399.40-42,704,099.10-27,146,701.80

Finding the Fourth Proportional to 28,469,399.40, 42,704,099.10 and 27,146,701.80

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Solution

The fourth proportional to 28,469,399.40, 42,704,099.10 and 27,146,701.80 is: 40,720,052.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,469,399.40 : 42,704,099.10 = 27,146,701.80 : x
  2. Step 2: Convert to fraction form
    28,469,399.40/42,704,099.10 = 27,146,701.80/x
  3. Step 3: Cross multiply
    28,469,399.40x = 42,704,099.10 × 27,146,701.80
  4. Step 4: Simplify right side
    28,469,399.40x = 1,159,275,443,905,348.50
  5. Step 5: Solve for x
    x = 1,159,275,443,905,348.50/28,469,399.40
  6. Step 6: Final answer
    x = 40,720,052.70

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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.