Home / 13,208,988.80-19,794,820.80-9,770,441.60

Finding the Fourth Proportional to 13,208,988.80, 19,794,820.80 and 9,770,441.60

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Solution

The fourth proportional to 13,208,988.80, 19,794,820.80 and 9,770,441.60 is: 14,641,858.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208,988.80 : 19,794,820.80 = 9,770,441.60 : x
  2. Step 2: Convert to fraction form
    13,208,988.80/19,794,820.80 = 9,770,441.60/x
  3. Step 3: Cross multiply
    13,208,988.80x = 19,794,820.80 × 9,770,441.60
  4. Step 4: Simplify right side
    13,208,988.80x = 193,404,140,608,865.28
  5. Step 5: Solve for x
    x = 193,404,140,608,865.28/13,208,988.80
  6. Step 6: Final answer
    x = 14,641,858.17

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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.