Home / 26,334,879.60-39,497,070.60-12,687,999.60

Finding the Fourth Proportional to 26,334,879.60, 39,497,070.60 and 12,687,999.60

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Solution

The fourth proportional to 26,334,879.60, 39,497,070.60 and 12,687,999.60 is: 19,029,470.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,334,879.60 : 39,497,070.60 = 12,687,999.60 : x
  2. Step 2: Convert to fraction form
    26,334,879.60/39,497,070.60 = 12,687,999.60/x
  3. Step 3: Cross multiply
    26,334,879.60x = 39,497,070.60 × 12,687,999.60
  4. Step 4: Simplify right side
    26,334,879.60x = 501,138,815,973,971.75
  5. Step 5: Solve for x
    x = 501,138,815,973,971.75/26,334,879.60
  6. Step 6: Final answer
    x = 19,029,470.56

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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.