Home / 28,200,976.58-42,301,610.82-12,837,521.96

Finding the Fourth Proportional to 28,200,976.58, 42,301,610.82 and 12,837,521.96

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Solution

The fourth proportional to 28,200,976.58, 42,301,610.82 and 12,837,521.96 is: 19,256,349.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,200,976.58 : 42,301,610.82 = 12,837,521.96 : x
  2. Step 2: Convert to fraction form
    28,200,976.58/42,301,610.82 = 12,837,521.96/x
  3. Step 3: Cross multiply
    28,200,976.58x = 42,301,610.82 × 12,837,521.96
  4. Step 4: Simplify right side
    28,200,976.58x = 543,047,857,845,123.62
  5. Step 5: Solve for x
    x = 543,047,857,845,123.62/28,200,976.58
  6. Step 6: Final answer
    x = 19,256,349.38

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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.