Home / 28,728,209.10-43,092,313.65-11,701,101.90

Finding the Fourth Proportional to 28,728,209.10, 43,092,313.65 and 11,701,101.90

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Solution

The fourth proportional to 28,728,209.10, 43,092,313.65 and 11,701,101.90 is: 17,551,652.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,728,209.10 : 43,092,313.65 = 11,701,101.90 : x
  2. Step 2: Convert to fraction form
    28,728,209.10/43,092,313.65 = 11,701,101.90/x
  3. Step 3: Cross multiply
    28,728,209.10x = 43,092,313.65 × 11,701,101.90
  4. Step 4: Simplify right side
    28,728,209.10x = 504,227,553,125,410.94
  5. Step 5: Solve for x
    x = 504,227,553,125,410.94/28,728,209.10
  6. Step 6: Final answer
    x = 17,551,652.85

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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.