Home / 28,774,534.80-43,125,060.60-11,715,934.80

Finding the Fourth Proportional to 28,774,534.80, 43,125,060.60 and 11,715,934.80

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Solution

The fourth proportional to 28,774,534.80, 43,125,060.60 and 11,715,934.80 is: 17,558,942.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,774,534.80 : 43,125,060.60 = 11,715,934.80 : x
  2. Step 2: Convert to fraction form
    28,774,534.80/43,125,060.60 = 11,715,934.80/x
  3. Step 3: Cross multiply
    28,774,534.80x = 43,125,060.60 × 11,715,934.80
  4. Step 4: Simplify right side
    28,774,534.80x = 505,250,398,235,648.94
  5. Step 5: Solve for x
    x = 505,250,398,235,648.94/28,774,534.80
  6. Step 6: Final answer
    x = 17,558,942.37

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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.