Home / 43,703,128.60-65,563,440.90-12,997,648.60

Finding the Fourth Proportional to 43,703,128.60, 65,563,440.90 and 12,997,648.60

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Solution

The fourth proportional to 43,703,128.60, 65,563,440.90 and 12,997,648.60 is: 19,499,074.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,703,128.60 : 65,563,440.90 = 12,997,648.60 : x
  2. Step 2: Convert to fraction form
    43,703,128.60/65,563,440.90 = 12,997,648.60/x
  3. Step 3: Cross multiply
    43,703,128.60x = 65,563,440.90 × 12,997,648.60
  4. Step 4: Simplify right side
    43,703,128.60x = 852,170,565,825,067.75
  5. Step 5: Solve for x
    x = 852,170,565,825,067.75/43,703,128.60
  6. Step 6: Final answer
    x = 19,499,074.62

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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.