Home / 28,774,542.30-43,125,071.85-11,715,942.30

Finding the Fourth Proportional to 28,774,542.30, 43,125,071.85 and 11,715,942.30

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Solution

The fourth proportional to 28,774,542.30, 43,125,071.85 and 11,715,942.30 is: 17,558,953.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,774,542.30 : 43,125,071.85 = 11,715,942.30 : x
  2. Step 2: Convert to fraction form
    28,774,542.30/43,125,071.85 = 11,715,942.30/x
  3. Step 3: Cross multiply
    28,774,542.30x = 43,125,071.85 × 11,715,942.30
  4. Step 4: Simplify right side
    28,774,542.30x = 505,250,853,477,954.31
  5. Step 5: Solve for x
    x = 505,250,853,477,954.31/28,774,542.30
  6. Step 6: Final answer
    x = 17,558,953.61

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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.