Home / 28,714,147.86-39,625,996.32-15,661,406.82

Finding the Fourth Proportional to 28,714,147.86, 39,625,996.32 and 15,661,406.82

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Solution

The fourth proportional to 28,714,147.86, 39,625,996.32 and 15,661,406.82 is: 21,612,999.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,714,147.86 : 39,625,996.32 = 15,661,406.82 : x
  2. Step 2: Convert to fraction form
    28,714,147.86/39,625,996.32 = 15,661,406.82/x
  3. Step 3: Cross multiply
    28,714,147.86x = 39,625,996.32 × 15,661,406.82
  4. Step 4: Simplify right side
    28,714,147.86x = 620,598,849,015,342.88
  5. Step 5: Solve for x
    x = 620,598,849,015,342.88/28,714,147.86
  6. Step 6: Final answer
    x = 21,612,999.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.