Home / 14,001,942.40-20,960,923.20-8,319,241.60

Finding the Fourth Proportional to 14,001,942.40, 20,960,923.20 and 8,319,241.60

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Solution

The fourth proportional to 14,001,942.40, 20,960,923.20 and 8,319,241.60 is: 12,453,913.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001,942.40 : 20,960,923.20 = 8,319,241.60 : x
  2. Step 2: Convert to fraction form
    14,001,942.40/20,960,923.20 = 8,319,241.60/x
  3. Step 3: Cross multiply
    14,001,942.40x = 20,960,923.20 × 8,319,241.60
  4. Step 4: Simplify right side
    14,001,942.40x = 174,378,984,259,845.09
  5. Step 5: Solve for x
    x = 174,378,984,259,845.09/14,001,942.40
  6. Step 6: Final answer
    x = 12,453,913.84

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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.