Home / 14,626,556.12-20,188,006.80-9,731,984.60

Finding the Fourth Proportional to 14,626,556.12, 20,188,006.80 and 9,731,984.60

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Solution

The fourth proportional to 14,626,556.12, 20,188,006.80 and 9,731,984.60 is: 13,432,373.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,626,556.12 : 20,188,006.80 = 9,731,984.60 : x
  2. Step 2: Convert to fraction form
    14,626,556.12/20,188,006.80 = 9,731,984.60/x
  3. Step 3: Cross multiply
    14,626,556.12x = 20,188,006.80 × 9,731,984.60
  4. Step 4: Simplify right side
    14,626,556.12x = 196,469,371,282,295.28
  5. Step 5: Solve for x
    x = 196,469,371,282,295.28/14,626,556.12
  6. Step 6: Final answer
    x = 13,432,373.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.