Home / 9,772,142.28-13,485,571.92-5,421,228.54

Finding the Fourth Proportional to 9,772,142.28, 13,485,571.92 and 5,421,228.54

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Solution

The fourth proportional to 9,772,142.28, 13,485,571.92 and 5,421,228.54 is: 7,481,304.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,772,142.28 : 13,485,571.92 = 5,421,228.54 : x
  2. Step 2: Convert to fraction form
    9,772,142.28/13,485,571.92 = 5,421,228.54/x
  3. Step 3: Cross multiply
    9,772,142.28x = 13,485,571.92 × 5,421,228.54
  4. Step 4: Simplify right side
    9,772,142.28x = 73,108,367,370,926.59
  5. Step 5: Solve for x
    x = 73,108,367,370,926.59/9,772,142.28
  6. Step 6: Final answer
    x = 7,481,304.02

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1.5x scale

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.