Home / 26,121,902.80-39,172,601.40-9,939,259.60

Finding the Fourth Proportional to 26,121,902.80, 39,172,601.40 and 9,939,259.60

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Solution

The fourth proportional to 26,121,902.80, 39,172,601.40 and 9,939,259.60 is: 14,904,988.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,121,902.80 : 39,172,601.40 = 9,939,259.60 : x
  2. Step 2: Convert to fraction form
    26,121,902.80/39,172,601.40 = 9,939,259.60/x
  3. Step 3: Cross multiply
    26,121,902.80x = 39,172,601.40 × 9,939,259.60
  4. Step 4: Simplify right side
    26,121,902.80x = 389,346,654,521,923.44
  5. Step 5: Solve for x
    x = 389,346,654,521,923.44/26,121,902.80
  6. Step 6: Final answer
    x = 14,904,988.26

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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.