Home / 9,591,328.92-13,235,879.40-5,240,321.76

Finding the Fourth Proportional to 9,591,328.92, 13,235,879.40 and 5,240,321.76

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Solution

The fourth proportional to 9,591,328.92, 13,235,879.40 and 5,240,321.76 is: 7,231,559.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,591,328.92 : 13,235,879.40 = 5,240,321.76 : x
  2. Step 2: Convert to fraction form
    9,591,328.92/13,235,879.40 = 5,240,321.76/x
  3. Step 3: Cross multiply
    9,591,328.92x = 13,235,879.40 × 5,240,321.76
  4. Step 4: Simplify right side
    9,591,328.92x = 69,360,266,832,555.74
  5. Step 5: Solve for x
    x = 69,360,266,832,555.74/9,591,328.92
  6. Step 6: Final answer
    x = 7,231,559.61

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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.