Home / 13,209,329.80-19,795,332.30-9,770,782.60

Finding the Fourth Proportional to 13,209,329.80, 19,795,332.30 and 9,770,782.60

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Solution

The fourth proportional to 13,209,329.80, 19,795,332.30 and 9,770,782.60 is: 14,642,369.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209,329.80 : 19,795,332.30 = 9,770,782.60 : x
  2. Step 2: Convert to fraction form
    13,209,329.80/19,795,332.30 = 9,770,782.60/x
  3. Step 3: Cross multiply
    13,209,329.80x = 19,795,332.30 × 9,770,782.60
  4. Step 4: Simplify right side
    13,209,329.80x = 193,415,888,398,057.97
  5. Step 5: Solve for x
    x = 193,415,888,398,057.97/13,209,329.80
  6. Step 6: Final answer
    x = 14,642,369.55

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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.