Home / 7,711,669.40-10,642,104.78-4,274,132.36

Finding the Fourth Proportional to 7,711,669.40, 10,642,104.78 and 4,274,132.36

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Solution

The fourth proportional to 7,711,669.40, 10,642,104.78 and 4,274,132.36 is: 5,898,303.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711,669.40 : 10,642,104.78 = 4,274,132.36 : x
  2. Step 2: Convert to fraction form
    7,711,669.40/10,642,104.78 = 4,274,132.36/x
  3. Step 3: Cross multiply
    7,711,669.40x = 10,642,104.78 × 4,274,132.36
  4. Step 4: Simplify right side
    7,711,669.40x = 45,485,764,418,708.68
  5. Step 5: Solve for x
    x = 45,485,764,418,708.68/7,711,669.40
  6. Step 6: Final answer
    x = 5,898,303.22

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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.