Home / 13,997,138.40-20,992,556.70-5,021,690.40

Finding the Fourth Proportional to 13,997,138.40, 20,992,556.70 and 5,021,690.40

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Solution

The fourth proportional to 13,997,138.40, 20,992,556.70 and 5,021,690.40 is: 7,531,405.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997,138.40 : 20,992,556.70 = 5,021,690.40 : x
  2. Step 2: Convert to fraction form
    13,997,138.40/20,992,556.70 = 5,021,690.40/x
  3. Step 3: Cross multiply
    13,997,138.40x = 20,992,556.70 × 5,021,690.40
  4. Step 4: Simplify right side
    13,997,138.40x = 105,418,120,451,845.69
  5. Step 5: Solve for x
    x = 105,418,120,451,845.69/13,997,138.40
  6. Step 6: Final answer
    x = 7,531,405.17

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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.