Home / 13,990,881.69-19,306,907.01-7,795,608.30

Finding the Fourth Proportional to 13,990,881.69, 19,306,907.01 and 7,795,608.30

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Solution

The fourth proportional to 13,990,881.69, 19,306,907.01 and 7,795,608.30 is: 10,757,655.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,990,881.69 : 19,306,907.01 = 7,795,608.30 : x
  2. Step 2: Convert to fraction form
    13,990,881.69/19,306,907.01 = 7,795,608.30/x
  3. Step 3: Cross multiply
    13,990,881.69x = 19,306,907.01 × 7,795,608.30
  4. Step 4: Simplify right side
    13,990,881.69x = 150,509,084,534,484.19
  5. Step 5: Solve for x
    x = 150,509,084,534,484.19/13,990,881.69
  6. Step 6: Final answer
    x = 10,757,655.44

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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.