Home / 13,593,829.82-18,759,563.16-7,398,861.75

Finding the Fourth Proportional to 13,593,829.82, 18,759,563.16 and 7,398,861.75

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Solution

The fourth proportional to 13,593,829.82, 18,759,563.16 and 7,398,861.75 is: 10,210,471.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,593,829.82 : 18,759,563.16 = 7,398,861.75 : x
  2. Step 2: Convert to fraction form
    13,593,829.82/18,759,563.16 = 7,398,861.75/x
  3. Step 3: Cross multiply
    13,593,829.82x = 18,759,563.16 × 7,398,861.75
  4. Step 4: Simplify right side
    13,593,829.82x = 138,799,414,311,233.12
  5. Step 5: Solve for x
    x = 138,799,414,311,233.12/13,593,829.82
  6. Step 6: Final answer
    x = 10,210,471.68

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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.