Home / 28,777,717.60-43,166,576.40-20,747,053.60

Finding the Fourth Proportional to 28,777,717.60, 43,166,576.40 and 20,747,053.60

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Solution

The fourth proportional to 28,777,717.60, 43,166,576.40 and 20,747,053.60 is: 31,120,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,777,717.60 : 43,166,576.40 = 20,747,053.60 : x
  2. Step 2: Convert to fraction form
    28,777,717.60/43,166,576.40 = 20,747,053.60/x
  3. Step 3: Cross multiply
    28,777,717.60x = 43,166,576.40 × 20,747,053.60
  4. Step 4: Simplify right side
    28,777,717.60x = 895,579,274,299,295.12
  5. Step 5: Solve for x
    x = 895,579,274,299,295.12/28,777,717.60
  6. Step 6: Final answer
    x = 31,120,580.40

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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.