Home / 7,126,400.66-9,832,120.81-4,028,624.51

Finding the Fourth Proportional to 7,126,400.66, 9,832,120.81 and 4,028,624.51

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Solution

The fourth proportional to 7,126,400.66, 9,832,120.81 and 4,028,624.51 is: 5,558,194.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126,400.66 : 9,832,120.81 = 4,028,624.51 : x
  2. Step 2: Convert to fraction form
    7,126,400.66/9,832,120.81 = 4,028,624.51/x
  3. Step 3: Cross multiply
    7,126,400.66x = 9,832,120.81 × 4,028,624.51
  4. Step 4: Simplify right side
    7,126,400.66x = 39,609,922,821,214.88
  5. Step 5: Solve for x
    x = 39,609,922,821,214.88/7,126,400.66
  6. Step 6: Final answer
    x = 5,558,194.77

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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.