Home / 7,275,809.78-10,040,627.45-3,968,112.00

Finding the Fourth Proportional to 7,275,809.78, 10,040,627.45 and 3,968,112.00

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Solution

The fourth proportional to 7,275,809.78, 10,040,627.45 and 3,968,112.00 is: 5,475,999.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275,809.78 : 10,040,627.45 = 3,968,112.00 : x
  2. Step 2: Convert to fraction form
    7,275,809.78/10,040,627.45 = 3,968,112.00/x
  3. Step 3: Cross multiply
    7,275,809.78x = 10,040,627.45 × 3,968,112.00
  4. Step 4: Simplify right side
    7,275,809.78x = 39,842,334,303,278.02
  5. Step 5: Solve for x
    x = 39,842,334,303,278.02/7,275,809.78
  6. Step 6: Final answer
    x = 5,475,999.99

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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.