Home / 28,531,784.23-39,377,576.32-15,977,620.28

Finding the Fourth Proportional to 28,531,784.23, 39,377,576.32 and 15,977,620.28

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Solution

The fourth proportional to 28,531,784.23, 39,377,576.32 and 15,977,620.28 is: 22,051,195.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,531,784.23 : 39,377,576.32 = 15,977,620.28 : x
  2. Step 2: Convert to fraction form
    28,531,784.23/39,377,576.32 = 15,977,620.28/x
  3. Step 3: Cross multiply
    28,531,784.23x = 39,377,576.32 × 15,977,620.28
  4. Step 4: Simplify right side
    28,531,784.23x = 629,159,962,046,179.75
  5. Step 5: Solve for x
    x = 629,159,962,046,179.75/28,531,784.23
  6. Step 6: Final answer
    x = 22,051,195.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.