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Finding the Fourth Proportional to 19,110,902.20, 26,830,845.80 and 19,110,902.20

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Solution

The fourth proportional to 19,110,902.20, 26,830,845.80 and 19,110,902.20 is: 26,830,845.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,110,902.20 : 26,830,845.80 = 19,110,902.20 : x
  2. Step 2: Convert to fraction form
    19,110,902.20/26,830,845.80 = 19,110,902.20/x
  3. Step 3: Cross multiply
    19,110,902.20x = 26,830,845.80 × 19,110,902.20
  4. Step 4: Simplify right side
    19,110,902.20x = 512,761,670,027,080.75
  5. Step 5: Solve for x
    x = 512,761,670,027,080.75/19,110,902.20
  6. Step 6: Final answer
    x = 26,830,845.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.