Home / 13,583,833.92-18,747,064.32-7,783,385.28

Finding the Fourth Proportional to 13,583,833.92, 18,747,064.32 and 7,783,385.28

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Solution

The fourth proportional to 13,583,833.92, 18,747,064.32 and 7,783,385.28 is: 10,741,858.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,583,833.92 : 18,747,064.32 = 7,783,385.28 : x
  2. Step 2: Convert to fraction form
    13,583,833.92/18,747,064.32 = 7,783,385.28/x
  3. Step 3: Cross multiply
    13,583,833.92x = 18,747,064.32 × 7,783,385.28
  4. Step 4: Simplify right side
    13,583,833.92x = 145,915,624,471,501.22
  5. Step 5: Solve for x
    x = 145,915,624,471,501.22/13,583,833.92
  6. Step 6: Final answer
    x = 10,741,858.69

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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.