Home / 28,672,111.20-43,008,166.80-9,760,879.20

Finding the Fourth Proportional to 28,672,111.20, 43,008,166.80 and 9,760,879.20

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Solution

The fourth proportional to 28,672,111.20, 43,008,166.80 and 9,760,879.20 is: 14,641,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,672,111.20 : 43,008,166.80 = 9,760,879.20 : x
  2. Step 2: Convert to fraction form
    28,672,111.20/43,008,166.80 = 9,760,879.20/x
  3. Step 3: Cross multiply
    28,672,111.20x = 43,008,166.80 × 9,760,879.20
  4. Step 4: Simplify right side
    28,672,111.20x = 419,797,520,748,250.50
  5. Step 5: Solve for x
    x = 419,797,520,748,250.50/28,672,111.20
  6. Step 6: Final answer
    x = 14,641,318.80

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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.