Home / 7,711,665.40-10,642,099.26-4,274,128.36

Finding the Fourth Proportional to 7,711,665.40, 10,642,099.26 and 4,274,128.36

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Solution

The fourth proportional to 7,711,665.40, 10,642,099.26 and 4,274,128.36 is: 5,898,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711,665.40 : 10,642,099.26 = 4,274,128.36 : x
  2. Step 2: Convert to fraction form
    7,711,665.40/10,642,099.26 = 4,274,128.36/x
  3. Step 3: Cross multiply
    7,711,665.40x = 10,642,099.26 × 4,274,128.36
  4. Step 4: Simplify right side
    7,711,665.40x = 45,485,698,257,101.02
  5. Step 5: Solve for x
    x = 45,485,698,257,101.02/7,711,665.40
  6. Step 6: Final answer
    x = 5,898,297.70

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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.