Home / 28,133,849.92-42,200,314.26-8,964,347.80

Finding the Fourth Proportional to 28,133,849.92, 42,200,314.26 and 8,964,347.80

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Solution

The fourth proportional to 28,133,849.92, 42,200,314.26 and 8,964,347.80 is: 13,446,374.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,133,849.92 : 42,200,314.26 = 8,964,347.80 : x
  2. Step 2: Convert to fraction form
    28,133,849.92/42,200,314.26 = 8,964,347.80/x
  3. Step 3: Cross multiply
    28,133,849.92x = 42,200,314.26 × 8,964,347.80
  4. Step 4: Simplify right side
    28,133,849.92x = 378,298,294,295,939.62
  5. Step 5: Solve for x
    x = 378,298,294,295,939.62/28,133,849.92
  6. Step 6: Final answer
    x = 13,446,374.93

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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.