Home / 13,890,414.60-20,807,628.30-9,355,451.40

Finding the Fourth Proportional to 13,890,414.60, 20,807,628.30 and 9,355,451.40

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Solution

The fourth proportional to 13,890,414.60, 20,807,628.30 and 9,355,451.40 is: 14,014,322.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,890,414.60 : 20,807,628.30 = 9,355,451.40 : x
  2. Step 2: Convert to fraction form
    13,890,414.60/20,807,628.30 = 9,355,451.40/x
  3. Step 3: Cross multiply
    13,890,414.60x = 20,807,628.30 × 9,355,451.40
  4. Step 4: Simplify right side
    13,890,414.60x = 194,664,755,309,914.62
  5. Step 5: Solve for x
    x = 194,664,755,309,914.62/13,890,414.60
  6. Step 6: Final answer
    x = 14,014,322.89

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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.