Home / 6,825,636.09-9,419,315.80-3,728,158.81

Finding the Fourth Proportional to 6,825,636.09, 9,419,315.80 and 3,728,158.81

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Solution

The fourth proportional to 6,825,636.09, 9,419,315.80 and 3,728,158.81 is: 5,144,825.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,825,636.09 : 9,419,315.80 = 3,728,158.81 : x
  2. Step 2: Convert to fraction form
    6,825,636.09/9,419,315.80 = 3,728,158.81/x
  3. Step 3: Cross multiply
    6,825,636.09x = 9,419,315.80 × 3,728,158.81
  4. Step 4: Simplify right side
    6,825,636.09x = 35,116,705,118,204.83
  5. Step 5: Solve for x
    x = 35,116,705,118,204.83/6,825,636.09
  6. Step 6: Final answer
    x = 5,144,825.28

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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.