Home / 13,990,918.60-19,306,957.90-7,795,645.16

Finding the Fourth Proportional to 13,990,918.60, 19,306,957.90 and 7,795,645.16

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Solution

The fourth proportional to 13,990,918.60, 19,306,957.90 and 7,795,645.16 is: 10,757,706.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,990,918.60 : 19,306,957.90 = 7,795,645.16 : x
  2. Step 2: Convert to fraction form
    13,990,918.60/19,306,957.90 = 7,795,645.16/x
  3. Step 3: Cross multiply
    13,990,918.60x = 19,306,957.90 × 7,795,645.16
  4. Step 4: Simplify right side
    13,990,918.60x = 150,510,192,907,458.75
  5. Step 5: Solve for x
    x = 150,510,192,907,458.75/13,990,918.60
  6. Step 6: Final answer
    x = 10,757,706.28

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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.