Home / 7,124,074.88-10,686,112.31-3,134,986.88

Finding the Fourth Proportional to 7,124,074.88, 10,686,112.31 and 3,134,986.88

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Solution

The fourth proportional to 7,124,074.88, 10,686,112.31 and 3,134,986.88 is: 4,702,480.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,124,074.88 : 10,686,112.31 = 3,134,986.88 : x
  2. Step 2: Convert to fraction form
    7,124,074.88/10,686,112.31 = 3,134,986.88/x
  3. Step 3: Cross multiply
    7,124,074.88x = 10,686,112.31 × 3,134,986.88
  4. Step 4: Simplify right side
    7,124,074.88x = 33,500,821,844,463.40
  5. Step 5: Solve for x
    x = 33,500,821,844,463.40/7,124,074.88
  6. Step 6: Final answer
    x = 4,702,480.31

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1.5x scale

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.