Home / 7,711,675.65-10,642,113.41-4,274,138.61

Finding the Fourth Proportional to 7,711,675.65, 10,642,113.41 and 4,274,138.61

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Solution

The fourth proportional to 7,711,675.65, 10,642,113.41 and 4,274,138.61 is: 5,898,311.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711,675.65 : 10,642,113.41 = 4,274,138.61 : x
  2. Step 2: Convert to fraction form
    7,711,675.65/10,642,113.41 = 4,274,138.61/x
  3. Step 3: Cross multiply
    7,711,675.65x = 10,642,113.41 × 4,274,138.61
  4. Step 4: Simplify right side
    7,711,675.65x = 45,485,867,796,309.07
  5. Step 5: Solve for x
    x = 45,485,867,796,309.07/7,711,675.65
  6. Step 6: Final answer
    x = 5,898,311.84

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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.