Home / 18,715,999.80-28,032,009.30-18,296,095.80

Finding the Fourth Proportional to 18,715,999.80, 28,032,009.30 and 18,296,095.80

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Solution

The fourth proportional to 18,715,999.80, 28,032,009.30 and 18,296,095.80 is: 27,403,095.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715,999.80 : 28,032,009.30 = 18,296,095.80 : x
  2. Step 2: Convert to fraction form
    18,715,999.80/28,032,009.30 = 18,296,095.80/x
  3. Step 3: Cross multiply
    18,715,999.80x = 28,032,009.30 × 18,296,095.80
  4. Step 4: Simplify right side
    18,715,999.80x = 512,876,327,619,291
  5. Step 5: Solve for x
    x = 512,876,327,619,291/18,715,999.80
  6. Step 6: Final answer
    x = 27,403,095.38

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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.