Home / 23,479,873.60-35,202,314.40-12,128,468.80

Finding the Fourth Proportional to 23,479,873.60, 35,202,314.40 and 12,128,468.80

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Solution

The fourth proportional to 23,479,873.60, 35,202,314.40 and 12,128,468.80 is: 18,183,665.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,479,873.60 : 35,202,314.40 = 12,128,468.80 : x
  2. Step 2: Convert to fraction form
    23,479,873.60/35,202,314.40 = 12,128,468.80/x
  3. Step 3: Cross multiply
    23,479,873.60x = 35,202,314.40 × 12,128,468.80
  4. Step 4: Simplify right side
    23,479,873.60x = 426,950,171,888,190.75
  5. Step 5: Solve for x
    x = 426,950,171,888,190.75/23,479,873.60
  6. Step 6: Final answer
    x = 18,183,665.69

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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.