Home / 12,940,410.60-19,410,615.90-9,954,426.60

Finding the Fourth Proportional to 12,940,410.60, 19,410,615.90 and 9,954,426.60

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Solution

The fourth proportional to 12,940,410.60, 19,410,615.90 and 9,954,426.60 is: 14,931,639.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,940,410.60 : 19,410,615.90 = 9,954,426.60 : x
  2. Step 2: Convert to fraction form
    12,940,410.60/19,410,615.90 = 9,954,426.60/x
  3. Step 3: Cross multiply
    12,940,410.60x = 19,410,615.90 × 9,954,426.60
  4. Step 4: Simplify right side
    12,940,410.60x = 193,221,551,237,342.91
  5. Step 5: Solve for x
    x = 193,221,551,237,342.91/12,940,410.60
  6. Step 6: Final answer
    x = 14,931,639.90

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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.