Home / 12,940,509.60-19,410,764.40-9,954,525.60

Finding the Fourth Proportional to 12,940,509.60, 19,410,764.40 and 9,954,525.60

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Solution

The fourth proportional to 12,940,509.60, 19,410,764.40 and 9,954,525.60 is: 14,931,788.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,940,509.60 : 19,410,764.40 = 9,954,525.60 : x
  2. Step 2: Convert to fraction form
    12,940,509.60/19,410,764.40 = 9,954,525.60/x
  3. Step 3: Cross multiply
    12,940,509.60x = 19,410,764.40 × 9,954,525.60
  4. Step 4: Simplify right side
    12,940,509.60x = 193,224,951,135,368.62
  5. Step 5: Solve for x
    x = 193,224,951,135,368.62/12,940,509.60
  6. Step 6: Final answer
    x = 14,931,788.40

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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.