Home / 20,439,349.60-30,645,027.60-9,661,813.60

Finding the Fourth Proportional to 20,439,349.60, 30,645,027.60 and 9,661,813.60

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Solution

The fourth proportional to 20,439,349.60, 30,645,027.60 and 9,661,813.60 is: 14,486,104.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,439,349.60 : 30,645,027.60 = 9,661,813.60 : x
  2. Step 2: Convert to fraction form
    20,439,349.60/30,645,027.60 = 9,661,813.60/x
  3. Step 3: Cross multiply
    20,439,349.60x = 30,645,027.60 × 9,661,813.60
  4. Step 4: Simplify right side
    20,439,349.60x = 296,086,544,438,055.38
  5. Step 5: Solve for x
    x = 296,086,544,438,055.38/20,439,349.60
  6. Step 6: Final answer
    x = 14,486,104.02

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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.